Question about 2006 Chrysler Town & Country

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P0303 & High Idle

P0303 misfire code... No Misfire mode 6 codes... 2 evap ones... But nothing indicating reason for 1300+ Idle.

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  • Chrysler Master
  • 354 Answers

Cylinder 3misfire may be caused by vacuum leak. Vacuum leak can raise idle. If vacuum leak is due to a broken EVAP line, you will get all these codes and symptoms.

Posted on Apr 20, 2014

  • Elizabeth Ackereizen
    Elizabeth Ackereizen Apr 20, 2014

    Found power booster line had come loose during the tune up.

  • Mike Mathis Apr 21, 2014

    you can listen for a vacuum leak our take it to a repair shop and have them perform a smoke test .this will find any leaks that you may have

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: rough idle and intermittant misfire

I have a 2006 with 37800 miles was told today that the fan motor and radiator must be replaced. When the car started to overheat due to the fan motor not running fast enough it blew the freon out too so now a/c wont work either. The bill is close to 1000.00 Dodge offer to pay for labor as GOOD WILL GESTURE 144.00 to be exact. I have taken it in over and over with the same complaint you have described and was told to get a tune up so I did. Warranty espired exactly 3 weeks ago. My sugestiojn would be to sell the damn thing!

Posted on Aug 29, 2008

joecoolvette
  • 5660 Answers

SOURCE: van is running bad (coil misfire alarm code)

Suggest you check the wiring harness for continuity.
(Unplugged from ECM, of course!)

These wiring harnesses have a bad rep for intermittent breaks, in the wires of the harness. You have to wiggle the harness while running a continuity check, (Multimeter set to OHMS), otherwise the break/s may not show up.

Yes, I know where that harness is located. No, it's not Even going to be fun to remove, and check this harness!

I had to do this with a 1992 Pontiac Bonneville, with a 3.8L engine, not too long ago. Everything had to be removed, on the front of the engine, Including the water pump, in order to extract this harness.

Made me SO happy! (I still get the 'Giggles' when I think about it!!)

Posted on May 19, 2009

  • 10917 Answers

SOURCE: have po301 code 1 cylnder misfire whats the

anything from bad wire .plug or fuel delivery problem to cylinder 1pull plug and c if fouled -also test wire for break

Posted on Feb 20, 2010

  • 432 Answers

SOURCE: getting p0303 code. replaced the plugs, problems

Not sure how many miles on your PT,but may be wire bad or not fully seated or bad lug on coil for #3 cylinder.Not sure if crankshaft position sensor would cause only one cylinder to missfire.Just remember that the timming belt needs to be replaced between 75,000 and 100,000 miles.My wife didn't know this.Well hope this helps,and good luck.

Posted on Mar 23, 2010

Testimonial: "suggestions that I had not considered. Thanks for the assistance"

  • 972 Answers

SOURCE: I have trouble code

if it has the 2.5l v6 then your distributor is possibly bad [all 95s came from the factory with defective solder joints in the dist.] or your egr valve is stuck open or leaking. to check for that start engine when cold open hood and locate egr valve rear center of intake it has a round top with a vac hose on it. there is a steel tube that connects to it that goes to the exaust.sprincal a few drops of water on the pipe. if it sizzles then the valve is bad.

Posted on Sep 02, 2010

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2 Answers

2008 Cadillac CTS returning P0303 after replacing spark plug and coil pack


Error Code: P0303
Description:
Cylinder 3 - Misfire Detected
Possible Cause:
Wiring harness, igniter and fuel injector connectors.
Ignition system. (Spark plugs gaps)
Fuel injector No. 3.
Fuel pressure.
Running out of fuel.
EVAP canister purge valve.
Evaporative emission system.
Low compression, cylinder No.3. (check valve clearance and throttle plate for excessive wear)
Engine control module (ECM).

Feb 27, 2014 | 2008 Cadillac Cts

1 Answer

What are codes 302 303 misfire that come up and how do i fix it


the codes are p0302 and p0303 p0302 if a misfire in cylinder number 2 p0303 is a misfire in cylinder number 3

Mar 30, 2012 | 1997 Honda Accord

1 Answer

P0303 cylinder misfire


For engine misfiring problem check the help links mentioned below. Click the link below to go through the troubleshooting procedure :---- OBD-II Trouble Code P0300? http://schematicsdiagram.blogspot.com/2011/12/obd-ii-trouble-code-p0300.html
---------Car misfires and error code P0306 and P0303 is shown? http://technoanswers.blogspot.com/2012/01/car-misfires-and-error-code-p0306-and.html
-----------
Engine misses and truck jumps? Hard to down shift? Issue with high gear only? http://technoanswers.blogspot.in/2012/02/engine-miss-and-truck-jumps-hard-to.html

-----------
Bad miss at idle?

http://technoanswers.blogspot.com/2012/01/bad-miss-at-idle.html

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While stop engine idles like cylinder missing?

http://schematicsdiagram.blogspot.com/2012/01/while-stop-engine-idles-like-cylinder.html

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Engine Misfire codes for car?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html
Engine Misfire codes?

http://schematicsdiagram.blogspot.com/2011/12/engine-misfire-codes-on-chevrolet.html

--------------
Misfire on cylinder 4?

http://schematicsdiagram.blogspot.com/2011/12/misfire-on-cylinder-4.html

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Oil on spark plugs and car misfires?

http://technoanswers.blogspot.in/2012/02/oil-on-spark-plugs-and-car-misfires.html

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This will help.

Thanks.

Jan 23, 2012 | 1999 Subaru Legacy

1 Answer

HAD TRAILBLAZER PUT ON COMPUTER. SAID #3 CYLINDER MISFIRE DETECTED.CODE # WAS P0303.I PUT HIGH GRADE GAS IN, CHANGED ALL 6 PLUGS, AND COIL ON #3 CYLINDER. NOTHING WORKED. IT STILL SPUTTERS.CAN YOU HELP ME...


What money?

Who is working on it,a repair shop?

Plugs don't fix a misfire
A bad coil would,if you got the correct one.

There are no computers used for any automotive
diagnostic work what so ever,unless you run scan
tool software on your notebook

Need to continue to look at all data related to
whatever problem you now have,since changing
plugs & coil

No check lights on dash, doesn't mean they aren't
stored in data

You could have worn out O2 Sensors,Bad TPS Sensor,
Vacuum Leaks & Evap Issues,& any number of things

Look at fuel trim,timing,smoke test intake & evap

Aug 23, 2011 | 2002 Chevrolet TrailBlazer

2 Answers

CODE 003: 00772 P0303 Cylinder 4: misfire detected


Hi double check the code which came up, as P0303 is no.3 cylinder misfire.
Anyway this could be as simple as the spark plug . But is usually the coil.
I hope i have been of some help to you
John (South Wales uk )

Apr 24, 2011 | Volkswagen Passat Cars & Trucks

1 Answer

Codes:p1346/p1349/p1354/p0446/p0300/p0301/p0303/p0305/p0307/ p0430/car runs rough when idling/lexus gs 400 1998


P0301 Cylinder No. 1 Misfire Detected
P0302 Cylinder No. 2 Misfire Detected
P0303 Cylinder No. 3 Misfire Detected
P0304 Cylinder No. 4 Misfire Detected
P0305 Cylinder No. 5 Misfire Detected
P0306 Cylinder No. 6 Misfire Detected
P1346 Variable Valve Timing (VVT) Circuit Range/Performance Fault
P1349 Variable Valve Timing (VVT) System Malfunction
P0330 Knock Sensor
P0446 EVAP Vent Control Fault
P0430 Catalyst System

Stop driving immediately.....

You defiantly skipped on your timing........

Feb 14, 2011 | 1998 Lexus Gs 400

1 Answer

Misfire code p0303 ruff idle spuds like tapping of valves check engine light blinking


P0303 mean Cylinder 3 Misfire.

Consider replacing the Cylinder 3 Spark Plug. If that does not settle it,replace the wires too.

Good luck.

Oct 20, 2010 | 1994 Oldsmobile Cutlass Supreme

2 Answers

What are the causes of a cylinder misfire on a 2004 Pontiac Montana 3.4 VIN code E. I'm getting an engine code P0303 indicating a misfire on cylinder #3


there are many causes of cylinder misfire, the most common being ignition. plugs or wires being faulty can cause misfire. also faulty or plugged injectors, loss of compression such as blown head gasket.

Feb 20, 2010 | 2001 Pontiac Montana

3 Answers

1999 jeep cherokee 6 cylinder engine light


1.Plugs
2. Vacuum leak
3. Injector fault
4. High or low fuel pressure.
Thats the list of things to check.
This is a #3 cylinder misfire.
There is also TSB about #3 injector needing added heat protection. This could definitely be the cause. I start at plugs and go from there.
Hope this helps.
Thank you,
Lee

Dec 12, 2009 | 1999 Jeep Grand Cherokee

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