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2001 dodge stratus keeps giving p0302 and p0303

Changed injectors plugs wires and coil pack plugs did not look bad

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SOURCE: my 2001 dodge grand caravan sport gave me two

YOU MAY HAVE A PLUGGED/INOPERATIVE INJECTOR ON #3 CYLINDER..OR MAY HAVE A BROKEN VALVE SPRING..HAVE SEEN A BROKEN VALVE SPRING RECENTLY ON 1 OF THESE VEHICLES

Posted on Aug 31, 2009

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2 Answers

P0302 - Cylinder 2 Misfire Detected,what needs to be done.


Fritz, Clear codes, Plugs and coils try switching them around, not using the same cylinder, to see if code changes to different cylinder. this would help diagnose bad coil or plug. See links below for full instruction. I have had this code come up because of a bad/dirty fuel injector also. Last link tells what other reasons code could be thrown.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
Chevy Trailblazer misfire DIY diagnosis step one p0301 p0302 p0303 p0304...

Trailblazer P0301 Is the coil bad

P0302 OBD II Trouble Code

May 13, 2016 | 2002 Chevrolet S-10

1 Answer

My 1999 lexus es300 is still reading the codes P0300, P0302,P0303 after giving it a tune up.


Your codes indicate misfires. What was done in the "tune up"? Misfires can be caused by any of several different causes including (but not limited to):
spark plugs
spark plug wires
coil packs
injectors
injector wires

The term "tune up" used to mean, "replace points, condenser, distributor cap and rotor, and plugs". Since most cars no longer have points, condenser, distributor cap and rotor, we need to ask what was done...

Jun 16, 2015 | 1999 Lexus ES 300

1 Answer

Why does the coil pack keep goin bad on my 2004 dodge neon?


How do you know the coil pack is bad ? Did you test it , or are you going just by the P0302 - P0300 ? These codes do not mean the coil pack is bad ! Could have a vacuum leak , could have weak fuel pump , partially plugged fuel filter ! The engine could have a mechanical fault , burnt valve , bent valve , bad head gasket ! Sounds like you need stop wasting your money an take it to a pro !

Feb 22, 2015 | 2004 Dodge Neon

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

2 Answers

Detected problem with P0302 misfire what is this


p0302 is number 2 cylinder misfire. it could be anything from plug, plugwire, or the coil for that cylinder. check plug and or wire first. have a good day ! p0303 is # 3 cylinder etc.

Jun 26, 2011 | Chrysler Cirrus Cars & Trucks

1 Answer

My 99 es300 has 240k on it and has been an amazing workhorse for me. it began jerking around today, and felt like an 02 sensor gone bad, it threw codes p0300b p0302 p0303 running real rough and...


cylinder 2&3 misfiring, inspect plugs if ok, mark and swap coil packs for known good ones clear codes, run eng brake torque it rev to cause missfire, repeat until check eng, lite comes on, recheck codes if changed cylinders replace coil packs if not, you have two bad injectors.

Sep 29, 2010 | 1999 Lexus ES 300

3 Answers

Code p0302


Look at the wire and plug to cylinder 2, for cracks or damage, if nothing is found run a compression test need 100psi min, and then check the injector, you need to meshure resistance with a multimeter, and compare to other injectors something like 12 to 15 ohms would be good i think.

Dec 31, 2009 | 2001 Ford Mustang

1 Answer

2001 Dodge Caravan Check Engine Light wont go away


i would try a coil pack maybe you got a bad one . did you clear the code after you changed the parts . disconnect the batt for ten sec

Oct 20, 2009 | 2001 Dodge Caravan

1 Answer

My 2001 dodge grand caravan sport gave me two different readings P0302 & P0303 we changed the coil,Spark Plugs, and wires and now it is giving a reading of just P0303 what else should we try in order...


YOU MAY HAVE A PLUGGED/INOPERATIVE INJECTOR ON #3 CYLINDER..OR MAY HAVE A BROKEN VALVE SPRING..HAVE SEEN A BROKEN VALVE SPRING RECENTLY ON 1 OF THESE VEHICLES

Aug 19, 2009 | 2001 Dodge Grand Caravan

1 Answer

I have a 2001 saturn sc 2 P0303


It sounds like a bad sensor or a break in the wire to the injector

Jul 18, 2009 | Saturn SC2 Cars & Trucks

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