Question about 1998 Chevrolet Camaro

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My 1998 Chevy Camaro is misfiring but only when you put it in gear it runs good when in park

The convertor has been taking off would that cause it to misfire only when you put it in gear

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  • 172 Answers

Are you getting a check engine light? What is/are the code(s): check for current and pending codes?
Check the basics first. Does the condition occur only when you have your foot on the brake pedal? You may have a vacuum leak inside the brake booster.
Does the condition persist when you are driving? At all engine speeds?
Does the condition only or primarily occur when the engine is cold? How old are your spark plug wires and plugs? Check for cross firing spark plug wires or look for cracks in the insulation.
Have you cleaned your Mass Air Flow sensor?
Do you have carbon built up on your idle air controller?
Is your EGR valve dirty or sticking?
Does your fuel pressure change just by putting the transmission into drive?
You may have to remove your spark plugs to analyze whether or not one or more are fouling or running too lean. This will help you see if you have a sticky fuel injector or bad valve guide seals. You will also be able to see if you are burning any coolant which might indicate bad head gaskets or intake manifold leaks.
Without knowing if there are any codes or not only makes troubleshooting a little more frustrating. Not having codes can indicate certain component failures by itself. Having trouble codes can simplify the process greatly.

Posted on Mar 18, 2014

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Posted on Jan 02, 2017

  • 217 Answers

SOURCE: 1998 Cavalier No Spark in cylinders 1 & 4

ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

Posted on Jan 17, 2009

  • 2920 Answers

SOURCE: multiple misfire

it could be in the timing...you might have it checked

Posted on Jan 29, 2009

dennymulford
  • 1055 Answers

SOURCE: 1999 chevy suburban misfire

could be one of several things
1) run a compression check, if it low on that cyl then you have a blown head gasket or burnt valve
2) could be the enjector

Posted on Feb 27, 2009

davesmith_37
  • 94 Answers

SOURCE: cylinder 2 misfire on a 1998 chevy blazer

check your plug wires for tears and dont overlap them

Posted on Feb 27, 2009

  • 5 Answers

SOURCE: 2003 Chevy Venture misfiring

The injector is a good possibility, although you should check for spark in the wire first, as the electrical is the weakest link in the system. Put a spare plug in the end of the wire with the plug resting on metal, then have someone crank the van to see if you have spark that far, test and replace spark plug, (do not get shocked!) then look into a new injector or a good cleaning.

Posted on Jul 17, 2009

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