Question about 2006 Volkswagen Jetta

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SYSTEM SCANNED; P0301 AND P0201 WERE AVAILABLE/ THE MOTOR HAS HAD A NEW INJECTOR INSTALLED IN #1 CYLINDER/ MOTOR WHEN STARTED SOMETIMES RUN NORMAL BUT IT WILL RUN VERY POOR WITH NO POWER SOMETIMES/ IGNITION TURNED OFF WHEN RUNNING POOR AND RESTARTED WILL CLEAR THE PROBLEM SOMETIMES

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  • 87camaroiroc Nov 18, 2009

    I"M SORRY, I DID NOT TELL YOU THIS JETTA WAS A TDI.

    MORE HINTS WOULD APRECIATED.

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The code 201 refers to an injector circuit open. What this means is if you ohmed the original injector and it had says 15 ohms or any number that would mean the injector is closed so the injector is not the fault. What alot of cars will do is shut off the injector when a misfire is felt to protect the catalytic converter from burning up and setting a 420 code. 420 means replace the cat if nothing can be found wrong. So with this in mind we know the car will run ok till it starts running rough. This tells me the computer is doing what it is suppose to do. What I would do now if I was you is check the plugs and swap #1 with say number 2. also swap the coils, 1 with 3. Then clear the code and see where the code ends up now. If you still have a code for 1 you could have a intake vacuum leak or a small hose could be leaking somwhere and it just so happens to affect # 1 first. If you have two coils for 4 cylinders this is called a DIS system. Most likely the coil is not the issue because you would set a code for two cylinders. But not always. So if the coils can be swapped try that also

Posted on Nov 18, 2009

  • Ernset ( Skip ) Bouvette

    Either way. The PCM is detecting an open circuit and without proper diagnostic equipment from VW all anybody can do is unplug connectors and inspect clean and retest. by driving. An open circuit on a CAN system, the type of computer sytems that started in 2006 is differnent than the old days. VW scan tools can pick up codes generic scanners cannot. And any part will cost over 100 bucks easy. Its better to pay the diagnostic fee to get it right.

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What do i check too fix injector circuit 4 on cavalier 99


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Jan 25, 2016 | Cars & Trucks

1 Answer

2003 Camry 4cyl. Smoked when first started. Removed head and did valve job including new oil seals. runs perfect. Every 3 days the ses light comes on with p0301. still runs perfect. swapped coil,plug and...


P301 is mis fire in the no 1 cylinder 1st start with compression then check fuel injector wire to in ejector fuel pressure.bad computor.clogged fuel line.coil could misfire. Bad plug.let me know
tuff to find sometimes.shop Forman at dealership best bet if you can't find.bad computor hard to find.lose,wire.good luck sorry
ck ck ck.

Feb 21, 2015 | 2003 Toyota Camry

2 Answers

2006 pacifica idles high and codes P0201 & P0202


Hate to say it but it could probably be you PCM.

Jan 19, 2013 | Chrysler Cars & Trucks

1 Answer

Hyundai diesel has a problem in the throttle i have cod P 201


P0201 - Injector Circuit Malfunction Cylinder 1

The Powertrain Control Module (PCM) or Electronic Control Module (ECM) checks the injectors circuit resistance and monitors the voltage drop during normal operation. The PCM/ECM will trigger the P0201 code when the resistance or voltage drop at the injector #1 is out of specifications.

Causes:
- Open or shorted wiring harness to the injector #1
- Bad injector #1
- Bad PCM or ECM

Solutions:
- If damaged, repair injector wire harness or connector
- Replace injector
- Replace PCM or ECM

Feb 04, 2011 | 2006 Hyundai Sonata

3 Answers

CODES-PO301-PO303-PO316- CHANGED PLUGS & WIRES. STILL MISS ON START UP, GOES AWAY MOST OF THE TIME ABOVE 1000 R.P.M


P0301 - Cylinder 1 Misfire Detected.

Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak

Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

P0303 - Cylinder 3 Misfire Detected.
Follow info from P0301.

P0316 - Misfire Occurred In The First 1,000 Engine Revolutions.

Causes:
- Damaged CKP sensor.
- Ignition System.
- Fuel Injectors
- Running out of fuel
- Fuel Quality
- Base engine
- Damaged Powertrain Control Module

Solutions:
Usually the P0316 is combine with a P03XX codes. The P03XX code indicates in which cylinder the misfire occurred.

Jan 17, 2011 | 2002 Mercury Sable

1 Answer

Oo dodge durango is flashing codes p0201,p0207,p0300,p0301,p0307 what is this telling me that needs to be fixed


P0201?? Injector #1 Ctrl Circ /
P0207 Injector #7 Ctrl Circ /

P0300?? Multiple Cylinder Misfire
P0301?? Cylinder #1 Misfire
P0307?? Cylinder #7 Misfire
are the codes start with the basics inspect plugs wires cap rotor and if all checks out do a compression test

Dec 31, 2010 | 2000 Dodge Durango

1 Answer

I have a 2002 Dodge Durango, w/96,000- miles.. I bought it a yr ago used..anyway, I just had to get a magnetic pick up part put in because it wouldn't start - check enging light had been on - it DOES have...


P0201 is a cylinder 1 injector circuit malfunction. p0301 is cylinder 1 misfire. The first thing to do is check to see that the fuel injector wire is connected good. One would think the injector problem caused the misfire in the same cylinder, Not always the case, It could be the other way around. Since it has the original plugs, I would change them before Thursday.Double check all the spark plug wires for damage and make sure they are connected good at both ends.With any luck this will fix the misfire and you won't have to have it towed.Good luck and let me know if any of this helps.

Dec 28, 2010 | Dodge Durango Cars & Trucks

1 Answer

I have 1996 Dodge Gran Caravan, and it gives me these codes: 27 and 43, what do they mean??


CODE 27 - Injector Control Circuit, output driver does not respond properly to the control signal

Code 27 MIL light options: OBDII
P0201 - Injector #1 Control Circuit
P0202 - Injector #2 Control Circuit
P0203 - Injector #3 Control Circuit
P0204 - Injector #4 Control Circuit
P0205 - Injector #5 Control Circuit
P0206 - Injector #6 Control Circuit

CODE 43 - Cylinder Misfire, or Ignition Primary Circuit

CODE $# MIL options: OBDII
P0300 - Multiple Cylinder Misfire
P0301 - Cylinder #1 Misfire
P0302 - Cylinder #2 Misfire
P0303 - Cylinder #3 Misfire
P0304 - Cylinder #4 Misfire
P0305 - Cylinder #5 Misfire
P0306 - Cylinder #6 Misfire
P0351 - Ignition Coil #1 Primary Circuit
P0352 - Ignition Coil #2 Primary Circuit
P0353 - Ignition Coil #3 Primary Circuit

Feb 03, 2010 | 1996 Dodge Caravan

1 Answer

Code p0201 & p0443


The problem to code in the car could any one this

P0201 Injector Valve 1 Voltage High C-20
P0201 Injector Valve 1 Voltage Low C-20
P0201 Injector Valve 1 Open Circuit C-20
================================
and for the code is P0443:

P0443 Fuel Tank Ventilation Valve Voltage High C-29
P0443 Fuel Tank Ventilation Valve Voltage Low C-29
P0443 Fuel Tank Ventilation Open Circuit C-29...........


there is value failure in your car...........................

Jun 14, 2008 | 1999 Buick Regal

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