P1406 code chevy

Throws P1406 code (egr valve pintle position circuit). When driving, especially at high speeds, still has decent power and seems to go well. Oil pressure gauge is between 40-60. But at idle, oil pressure drops first to 20, then slowly drops close to zero and engine wants to cut out. Can hear pump prime normally.

The P0401 DTC means that the computer detected an insufficient amount of exhaust gas recirculation (EGR) flow in the system. In most cases, the ECM/PCM recognizes the failure from two consecutive trips through the feedback loop before setting the code and turning on the Check Engine Light. The exhaust gas recirculation (EGR) system is ...Replaced egr valve and cleaned ports on 1996 jimmy and still getting p1406 code. P1406 and i have reset it. Myself - Answered by a verified Chevy MechanicCauses. Seriousness. Can I Still Drive? Diagnose. Difficulty of Inspecting. Get Additional Help. The P1406 code is a manufacturer-specific code that, in this context, indicates that there’s a...GM vehicles are equipped with internal computers that send signals for the "Check Engine" light to appear when a component has failed. When the light comes on, a code is sent …The P1406 code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve. Start by cleaning the EGR valve. ⚠ Check if your Pontiac have Safety Recalls.

1997 Chevy Camaro 6 cyl Two Wheel Drive Automatic Ok, What else can I replace or try to fix a Misfire Cyclinder 5. I replaced ICM, MSD coils, Plugs, (Ithium) and wires. And P1406 replaced EGR, all diagnoitic tests show its fine. Voltage, ECM and all other tests have been fine. Thanks, CharlieThe P1406 code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve. Start by cleaning the EGR valve. When is the obd code mean?Meaning. A P1441 code is a manufacturer specific diagnostic trouble code related to Buick, Cadillac, Chevrolet, Dodge, GM, Isuzu, Pontiac, Saturn vehicles that occurs when the PCM/ECM detects unwanted flow of fuel vapors through the EVAP System. The purge solenoid valve is responsible for controlling the flow of vapors from the EVAP System, and ...During the AIR test, the PCM activates the AIR pump during closed loop operation. When the AIR is activated, the PCM monitors the HO2S voltages and short term fuel trim values for both bank s of the engine. If the AIR system is operating properly, the HO2S voltages should go low and the short term fuel trim should go high. P1416 Chevrolet Code ...Blazer / Jimmy / Bravada ... P0300 , P1406 Pulling my hair out!!! HELP!!!

chevy s10 p 1133 p0171 p0172 p1406 - Chevrolet Cars & Trucks question. Search Fixya. Browse Categories Answer Questions . Chevrolet Car and Truck; Cars & Trucks ... P0171 code basically this means that an oxygen sensor in bank 1 detected a lean condition (too much oxygen in the exhaust). On V6/V8/V10 engines, Bank 1 is the side of the engine ...1406 code for 1996 cutless ciera. DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance. Circuit Description. The PCM monitors the EGR valve pintle position input to ensure that the valve responds properly to commands from the PCM and to detect a fault if the pintle position sensor and control circuits are open or shorted. If ...The PCM retests for a stuck valve when the desired EGR position returns to 0%. A failure timer increments if the stuck EGR valve condition is still present. This Diagnostic Trouble Code (DTC) sets when the timer reaches a predetermined value. P1404 Chevrolet Code - Exhaust Gas Recirculation Closed Position Performance.The P1345 code on a Chevy or GMC truck will defer from the same code in another car model. Regardless of the definitions, these codes have one thing in common – they indicate an ignition problem. As earlier stated, these codes defer due to the type of engine and ignition triggers used in each specific vehicle.Chevy Trax P0496 Meaning. P0496 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing. The code technically stands for: The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in order to be ignited in the normal combustion process.

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Code p1406 is an EGR code but that has nothing to do with the light not working. Some one has probably taken the bulb out instead of fixing the EGR valve problem. ... Pulled code p0420 on 99 chevy astro, 2wd, v6. 1999 Chevrolet Astro. Rough idle / engine surges until power is applied. 1997 Chevrolet Astro. Check Out the Latest Top …Dec 7, 2018 · Chevy Silverado P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the ...That may include but is not limited to vehicles from Honda, Jeep, Toyota, VW, Chevy, Ford, etc. Although generic, the exact repair steps may vary depending on year, make, model and powertrain configuration. A P0122 code means that the the vehicle's computer has detected that the TPS (throttle position sensor) "A" is reporting too low a voltage.P1406 EGR Valve Pintle Position Circuit Fault. This code is usually caused by carbon buildup in the EGR valve. The carbon deposits prevent the valve from closing completely. After removing the EGR valve, clean the pintle seat area of the valve and the corresponding passageway in the engine.P1404 CHEVROLET Description. The Powertrain Control Module (PCM) determines that the EGR valve is stuck open if the actual Exhaust Gas Recirculation (EGR) position and the learned closed EGR position vary by more than a predetermined value. The PCM tests for a stuck valve when the desired EGR position is at 0%. The PCM commands the EGR valve to ...

Possible Causes. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Downstream hose is disconnected. Downstream hose is plugged (ice) Plugged or damaged Exhaust Gas Recirculation (EGR) tube. Faulty Differential Pressure Feedback Electronic (DPFE) sensor.Throws P1406 code (egr valve pintle position circuit). When driving, especially at high speeds, still has decent power and seems to go well. Oil pressure gauge is between 40-60. But at idle, oil pressure drops first to 20, then slowly drops close to zero and engine wants to cut out. Can hear pump prime normally.Labor: 1.0. To diagnose the P1406 Saturn code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.Part 1 -How to Test the GM EGR Valve (P0401, P0403, P0404, P0405, P1404, P1406). am I missing something? ... I had the codes read because the light kept coming on ...The P1870 fault code indicates a problem with the transmission component slipping. This occurs when the engine speed is over 500 rpm for 5 seconds, the fuel shutoff is inactive, the throttle angle is between 8.5-35%, the transaxle is not in first gear, the transaxle gear range is D4, the transmission fluid temperature (TFT) sensor input is ...1997 Chevy K1500, 5.7L L31 engine, getting P1406 code for EGR pintle position. Checked voltages at EGR connector with key on and have the following results - 1. Pin C to ground, 0.6-0.9 vdc ok, 2. Pin … read moreDirt and dust intrusion into the EVAP canister vent hose assembly, resulting in restricted air flow, may cause this condition. There is a bulletin for the following models: 1999-2007 Chevrolet Silverado (Classic) Models. 2007-2008 Chevrolet Silverado Models. Chevrolet Factory Service Bulletin OBDII Code P0446. User Submitted Video.12 Jun 2010 ... How to test an electronic EGR valve (GM P1406 case study) ... Code P1406 - Diagnose and Repair. Hobby Guy•85K views · 1:53:29 · Go to ...In this video, 1A Auto shows you how to repair, install, fix, change or replace a failing, worn out, or defective EGR valve. This video is applicable to the ...Feb 12, 2020 · P1406 Code: Meaning, Causes, and Symptoms | OBD2 Codes. P1406 – Exhaust Gas Recirculation Position Sensor Performance . P1406 Possible Symptoms . Engine Light ON (or Service Engine Soon Warning Light) P1406 Possible Causes1997 Chevy Camaro 6 cyl Two Wheel Drive Automatic Ok, What else can I replace or try to fix a Misfire Cyclinder 5. I replaced ICM, MSD coils, Plugs, (Ithium) and wires. And P1406 replaced EGR, all diagnoitic tests show its fine. Voltage, ECM and all other tests have been fine. Thanks, CharlieChevrolet Astro, GMC Safari (1985 to 2005) Engine. RUNNING ISSUES. Gallery; VOM; VIN Lookup; P1406 code and misfiring. PLACE ANY ISSUES RELATED TO HOW YOUR VAN RUNS. IF IT BOGS, HESITATES, BACKFIRES OR JUST PLAIN RUNS LIKE CRAP...THIS IS THE PLACE FOR IT! ...

The P1405 engine code indicates a faulty differential pressure feedback sensor on the Ford Vehicle, according to Engine-Codes.com. This sensor monitors the exhaust gas recirculation tube pressure. When the issue occurs, it triggers the service engine light. Ford includes the EGR system on the engine to limit the amount of nitrous …

Chevrolet Codes; Trouble Code Fault Location Probable Cause; B1325: Control Module Power Circuit Low/High Voltage: P0014: ... P1406: Exhaust gas recirculation (EGR) valve position sensor range performance: Wiring, EGR …P1406 EGR Valve Pintle Position Circuit Fault. This code is usually caused by carbon buildup in the EGR valve. The carbon deposits prevent the valve from closing completely. After removing the EGR valve, clean the pintle seat area of the valve and the corresponding passageway in the engine.1406 code for 1996 cutless ciera. DTC P1406 Exhaust Gas Recirculation (EGR) Position Sensor Performance. Circuit Description. The PCM monitors the EGR valve pintle position input to ensure that the valve responds properly to commands from the PCM and to detect a fault if the pintle position sensor and control circuits are open or shorted. If ...P1406- EGR pintle postision sensor circuit ... Only show this user #5 · Apr 2, 2021. While you're checking the codes, check the fuel pressure, too. Greg 2021 Silverado 1500 4x4 5.3 "Bad men need nothing more to compass their ends, than that good men should look on and do nothing." John Stewart Mill ... Chevy Silverado EV Forum 2K ...P1476 Chevrolet Code - Particulate Matter Sensor Electrode Supply Circuit High Voltage - Code Popularity: 2,069 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. Table of contents. Created and updated by William Orellana on Sep 30, 2022. Possible Causes;Q: What does the “p1406 code Chevy” mean? A: The “p1406 code Chevy” refers to a specific diagnostic trouble code (DTC) that is related to the Exhaust Gas …American-made Chevrolet is one of the best-selling brands in the United States. If you are in the market for a used Chevy, whether a sedan, truck, SUV or sports car, this article h...Code P1404 Information for Specific Makes. P1404 Acura EGR Valve Stuck Closed. P1404 Audi EGR Flow Basic Setting Not Carried Out. P1404 BMW Heated Catalyst Current too High During Heating Bank 2. P1404 Buick Exhaust Gas Recirculation Closed Position Performance 📷. P1404 Cadillac Exhaust Gas Recirculation Closed Position …

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16 Mar 2021 ... Comments3 ; How to test an electronic EGR valve (GM P1406 case study). ScannerDanner · 436K views ; SYMPTOMS OF A BAD EGR VALVE. EasyAutoFix · 611K&nb...I have a P1405 code after a check engine light came on . Discription of code is diff press upstream hose to the EGR valve is either cloged or disconected. Not sure of location of up stream hose Ford explorer 1999 4.0. The actual problem is likely the DPFE sensor (differential pressure feedback egr sensor) it is a very common problem on these ...Chevy Silverado P0496 Meaning. P0496 is a universal OBDII trouble code. This means that regardless of which make or model of vehicle, the code will mean the same thing. The code technically stands for: Evaporative Emission System High Purge Flow. The EVAP system captures all fuel vapor from the fuel tank and sends them to the engines intake in ...7 Apr 2013 ... Comments36 ; How to test an electronic EGR valve (GM P1406 case study). ScannerDanner · 436K views ; EGR P0400, P0401- P0409 Diagnosis+ ...Seems to be a popular problem and I believe it could be a reprogramming of the computer at the Dealership..chime in on the notes if you folks know anything o...i have a 1996 chevy k1500 that is giving me a P1406 code from the DLC. could you possibly give me the specific malfunctioning section of the systems ... i get code 13, 76,77 on my 1994 chevy camaro 3.4, i replaced o2 sensors and egr valve, and all three egr valve solenoids, also a brand new cat, why am i still getting these codes? ...Chevy Impala 7th Gen Discussion p0404 and p1404 codes. Jump ... my car is putting out a couple codes p1404 and p0404 ... (P0401, P0403, P0404, P0405, P1404, P1406). am I missing something? Save Share. Like. Sort by Oldest first Oldest first Newest first Most reactions. Stephen.1996Chevy 1500 P1406, P0101, P0102. Post by fishfarmer » Wed Nov 19, 2008 3:37 am. I've got a 1996 Chevy 1500 with 150,000 and I get the following codes: P1406, P0101, P0102. Got a used EGR valve, installed it and got the same codes. ... I did that at first> Replaced a sensor, checked the code, light was still on, got pissed, cussed alot, took ...Throws P1406 code (egr valve pintle position circuit). When driving, especially at high speeds, still has decent power and seems to go well. Oil pressure gauge is between 40-60. But at idle, oil pressure drops first to 20, then slowly drops close to zero and engine wants to cut out. Can hear pump prime normally.When the trouble code P0496 appears on your engine control module, it means that the intake vacuum flow is unusually high. Simply put; it means that there's more air going into the charcoal canister, triggering an increase in the amount of fuel vapor being channeled to the engine. This process is what causes a high purge flow. ….

P1406 diagnostic trouble code details. DTCSearch.com. P1406 OBD Trouble Code. 7 results found. P1406 - Acura; Type: Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled: Description: Exhaust gas recirculation (EGR) valve position sensor - circuit problem. Cause: ... P1406 - GM; Type: Powertrain - Manufacturer Controlled DTC ...P1406- EGR pintle postision sensor circuit ... Only show this user #5 · Apr 2, 2021. While you're checking the codes, check the fuel pressure, too. Greg 2021 Silverado 1500 4x4 5.3 "Bad men need nothing more to compass their ends, than that good men should look on and do nothing." John Stewart Mill ... Chevy Silverado EV Forum 2K ...1997 Chevy K1500, 5.7L L31 engine, getting P1406 code for EGR pintle position. Checked voltages at EGR connector with key on and have the following results - 1. Pin C to ground, 0.6-0.9 vdc ok, 2. Pin … read moreP1406 Chevrolet EGR Valve Pintle Position Circuit. Possible causes. - Faulty Exhaust Gas Recirculation (EGR) valve - Carbon blockage of the pintle. Tech description. The P1406 Chevrolet code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve.Tech Notes. The P0306 code means that cylinder 6 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 6. If the problem persists more tests needs to be done to diagnose the problem, see "Possible Causes". There is a Factory Service Bulletins ...Chevy Silverado P0306 Definition. P0306 is a cylinder specific misfire code, which means that Cylinder 6 is misfiring and causing it. An important thing to understand when finding the location of Cylinder 6 is that it’s going to be the sixth cylinder in the firing order. It won’t be the sixth cylinder that you might see when looking at the ...MEMBER. 1996 CHEVROLET S-10. 6 CYL. 2WD. AUTOMATIC. 210,000 MILES. I have replaced the TPS sensor and the EGR valve but I keep getting the same codes. P0122-tps low voltage and p1406-egr pintle position. Engine idles erratically when codes are present.My 96 C1500 with 350 eng is giving a trouble code P1406. I understand it is an egr problem. How do I fix this? Replace - Answered by a verified Chevy Mechanic. ... 1996 Chevrolet k 1500 engine code p1406 egr brand new egr valve cleaned all ports on intake ...I have a 95 chevy blazer 4.3 Vin#1gnct18w4sk255218 & the truck wont start at times. I scanned for codes and got codes p1406 & p1351. When it doesnt want to start it has spark and good fuel pressure bu … read more P1406 code chevy, Labor: 1.0. To diagnose the P1406 Saturn code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour., 1996 chevy c1500 with v6. Chevy Mechanic: goodwrench9124. Ok, code P1406 is a egr code. DTC P1406. The VCM constantly monitors the linear EGR valve pintle position sensor in order to ensure that the valve is responding properly to the commands from the VCM. The DTC P1406 is a type A DTC., 1995 Chevy S10 Blazer: p1406 code on my obdii reader..egr valve My 1995 Chevy S10 Blazer is giving me a P1406 code on my OBDII reader. I'm finding online something about the EGR valve., The code P0303 refers to a misfire on # XXXXX cylinder. This could be a bad spark plug, plug wire, dist cap or fuel injector. I would look at the plugs, wires and cap to start with, especially if it has been a long time since they were replaced. The code P1406 is for the EGR valve and relates to it being stuck open., Hey I’m having some issues with my 1999 Chevy Tahoe. It’s throwing a p0300 code p1406 code p1441 code p0138 code and p1406 code. I’ve replaced distributor the cap and rotor spark plugs wires fuel filter spider injectors. I also have a new fuel pump oxygen sensors and mass air flow coming that I’m replacing but I’m at my whits end on it, The P1406 code means that the EGR valve is 10% of the expected position by the Powertrain Control Module (PCM), usually caused by carbon built up n the EGR valve. …, A P1345 code is most common among Chevy’s 5.7L Vortec engine along with other late-90’s and earlier engines. On these older vehicles, the P1345 is most commonly caused by the distributor. Symptoms, 1997 Chevy K1500, 5.7L L31 engine, getting P1406 code for EGR pintle position. Checked voltages at EGR connector with key on and have the following results - 1. Pin C to ground, 0.6-0.9 vdc ok, 2. Pin … read more, EGR valve fault codes that light up the check engine light (CEL) on your instrument cluster. EGR valve fault codes: P0401 EGR System Flow Insufficient. P0403 EGR Solenoid Circuit. P0404 EGR System Performance. P0405 EGR Pintle Position Circuit Low Voltage. P1404 EGR Valve Stuck Open. P1406 EGR Valve Pintle Position. Rough idle. Really bad gas ..., 1997 Chevy K1500, 5.7L L31 engine, getting P1406 code for EGR pintle position. Checked voltages at EGR connector with key on and have the following results - 1. Pin C to ground, 0.6-0.9 vdc ok, 2. Pin … read more, W. wiesemi Discussion starter. 3 posts · Joined 2010. #1 · Nov 24, 2010. On a 2006 Chev Silverado 2500 Diesel 4x4 Truck. I live in a colder climate...Northern Alberta. Everytime the weather gets cold, the truck starts throwing this code at various times... P0106 Manifold Absolute Pressure/BARO Sensor Range/Performance., 1996 chevy c1500 with v6. Chevy Mechanic: goodwrench9124. Ok, code P1406 is a egr code. DTC P1406. The VCM constantly monitors the linear EGR valve pintle position sensor in order to ensure that the valve is responding properly to the commands from the VCM. The DTC P1406 is a type A DTC., May 14, 2007 · 1997 Chevy K1500, 5.7L L31 engine, getting P1406 code for EGR pintle position. Checked voltages at EGR connector with key on and have the following results - 1. Pin C to ground, 0.6-0.9 vdc ok, 2., P1404 CHEVROLET Description. The Powertrain Control Module (PCM) determines that the EGR valve is stuck open if the actual Exhaust Gas Recirculation (EGR) position and the learned closed EGR position vary by more than a predetermined value. The PCM tests for a stuck valve when the desired EGR position is at 0%. The PCM commands the EGR valve to ..., P0106 is a very common OBD2 trouble code that can occur in the Chevy Trax. Simply put, this code indicates that the signal coming from the MAP sensor is not what it should be. P0106 Definition: MAP Sensor - Range/Performance. P0106 is a generic OBD2 code, which means that it has the same definition for the Chevy Trax as it would any other ..., Twice. It was fine until a week ago it started throwing P0403 codes again at about 105K miles. I would like to find and fix this problem as permanently as possible. It's a bone stock truck except for oversize tires and rims (285 70R 17) and a front hitch for winch mounting. 2007 2500HD 6.6L Diesel Classic Crew Cab., 1997 Vortec 350 random misfire code P0300 and an EGR pintle code P1406. Replaced the EGR and it still misfires. When I - Answered by a verified Chevy Mechanic. ... I have a 96 chevy s10 blazer 4.3l and the other day when i was leaving for work the engine started missing and shuddering on acceleration and the check engine light started flashing., Repair on the P1345 Crankshaft Position Camshaft Position Correlation check engine code! Chevrolet and GMC trucks 5.7l 5.0l 4.3lI got the idea from another Y..., If yes, bad fpr, injector leaky and fuel pump check valve could be culprit. P1406 is for the EGR valve. Different issue from fuel pressure drop. EGR or passages could be blocked by carbon buildup. Intake leak, injector and fpr leak can cause P0300 multiple misfire though. Idle will be unstable and rough., 1997 tahoe has check engine light with P1406 code. Has to do with EGR valve open or closed position - should i try to clean or is it better to replace? ... The code that just showed up on my 97 chevy suburban was code P1406 in my books it states "EGR valve Pintle Position circuit"., Labor: 1.0. The cost to diagnose the P1406 Toyota code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most …, My 1995 Chevy S10 Blazer is giving me a P1406 code on my OBDII reader. I'm finding online something about the EGR valve. - Answered by a verified Chevy Mechanic. ... I replaced my egr valce on my 1995 s10 blazer today cause it had the trouble code p1406. now the vehical has no power i tried to hop on the free and go one exit up …, A P1345 code is most common among Chevy's 5.7L Vortec engine along with other late-90's and earlier engines. On these older vehicles, the P1345 is most commonly caused by the distributor. Symptoms. Rough idle, stalls out at idle; Engine runs very poorly; Engine hard starts or no starts;, 1997 - 2003 F150 - Need help with P1406 code - During long drive over the weekend my check engine light came on with one code: 1406 - Differential Pressure Feedback Electronic Sensor Circuit Downstream Hose. I have a 97 5.4L with 98K mi. It feels like there is a slight decrease in performance, especially at about..., Yes, P1406 is the EGR Pintle Position Circuit code, and it probably needs to be replaced. You can try cleaning it first. Look at the link below for instructions., Start and idle the engine for at least 2 minutes. DTC P1400 should run and pass. Circuit/System Testing. • Inspect the air intake system for the following: - If any other DTCs are set, diagnose them first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle . - Modified, damaged, or restricted., The P1406 code there is a problem with the EGR valve. Here is how to replace the valve and the location in the images below. Check out the images (below). Please let us know if you need anything else to get the problem fixed. ... Hi I Have A 01 S10 4x2 Chevy Blazer With A 4.3 It Has A Random Miss Fire On Number 1 Cyclinder Under …, Causes. Seriousness. Can I Still Drive? Diagnose. Difficulty of Inspecting. Get Additional Help. The P1406 code is a manufacturer-specific code that, in this context, indicates that there’s a..., Common causes f code P1406 could include the following-. Downstream DPFE hose is disconnected, perforated, split, cracked, or dislodged. Downstream DPFE hose is plugged, clogged, restricted, iced-up, kinked, pinched, or otherwise prevented from allowing a free flow of exhaust gas., My 97 Olds Bravda is giving me a P1406 code. My Chilton manual says "EGR position sensor performance". I replaced the EGR valve, but the code returns after earasing codes with my Actron Scan Tool., To fix the automobile fault code P1404, follow these steps: 1. Check the possible causes mentioned above. 2. Visually inspect the wiring harness and connectors related to the fault code. 3. Look for any damaged components. 4. Check for broken, bent, pushed out, or corroded pins in the connectors., Bank 1 Sensor 3 is the post converter sensor. End of the line according to the PCM., JACOBANDNICKOLAS. That is a code for the bank 1 heated oxygen sensor isn't responding. Either you have a wiring issue, a bad connection, or the sensor is bad. helpful? The check engine light is on with code P1133 . Reply 1: This code is because the engine is misfiring or has a large vacuum leak here are two ...