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What is code p0303 - Cars & Trucks

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  • Ajika coates
    Ajika coates Apr 22, 2017

    Hi vanessa carr, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?

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  • Cars & Trucks Master
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You dont need more info,Definition of Diagnostic Trouble Code P0303 Category: Powertrain Definition: Cylinder 3 Misfire Detected

Posted on Apr 23, 2017

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Posted on Jan 02, 2017

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Code p0303 on 2000 chevy blaze reading miss fire and running slightly ruff


These are the potential culprits setting off this code:
A code P0303 may mean that one or more of the following has happened: Faulty spark plug or wire Faulty coil (pack) Faulty oxygen sensor(s) Faulty fuel injector Burned exhaust valve Faulty catalytic converter(s) Running out of fuel Poor compression Defective computer

Read more at: https://www.obd-codes.com/p0303
Copyright OBD-Codes.com

Feb 07, 2017 | Cars & Trucks

1 Answer

Code p0303 changer coil bougi et injecteur sur le piton 3 et verifier le couran sur injecteur et coil ces correcte et le code p0303 revien et le moteur a des rater quoi faire


P0303 Code - Cylinder #3 Misfire
A code P0303 may mean that one or more of the following has happened:
  • Faulty spark plug or wire
  • Faulty coil (pack)
  • Faulty fuel injector
  • Burnt valve(s)
  • Poor cylinder pressure
  • Faulty PCM

Aug 31, 2016 | 2004 Nissan Murano

1 Answer

What does code p0303 mean for a 2000 volvo v40


Cylinder misfire

Google the code & read up

OBD PO303

Print yourself a code list for your car

Jul 17, 2014 | 2000 Volvo V40

1 Answer

Code p0303


P0303 is a misfire in cylider 3. This is almost always an ignition coil in this car. I would swap out all 8 with Motorcraft coils as well as spark plugs. If one is going, the others arent far behind and one bad one makes the others work harder.

Mar 11, 2014 | 2003 Lincoln LS

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

1997 accord dtc p1399,p0303


the po303 is cylinder 3 misfire and other code could be trans code or abs or body code i know yhe one for sure

Nov 11, 2012 | 1999 Honda Civic

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

2 Answers

1998 saturn sc2 P0303 code just came up. already


p303 is a cylinder 3 missfire I woul first check the coil and then the ingnition module, Then if this dont work you could have a bad injector. If after testing and still no fix you should check the compression in that cyl.

Jul 09, 2009 | 1998 Saturn SL

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