Having problems with your 1996 Chevrolet Cavalier ?

Code p0300 replaced coil spark plugs and coil cover 2000 2.4 cavalier rpm up and down while ideling

Posted / edited by AnonymousUser on : 19-10-2020

Answers :

I have a 2002 Lesabre with the 3.8 engine so this may not apply but will share my experience as I just went through it this week. I had a random misfire code P0300. I replaced the plugs and wires with no change. This engine has three separate coil units. I bought one unit and tried it in all three spots. Again no change. Below the three coils is the Ignition Control Module. It cost about $140. Replaced it and the misfiring went away.
The code is a mis-fire code. This code does not tell you which cylinder is mis-firing.
\015\012Here is a list of other items to check :
\015\012 - O2 sensor
\015\012 - Catalytic converter
\015\012 - EGR valve
\015\012 - Cam sensor
\015\012 - Bad computer
\015\012Please let me know what you find.
Repair Help & Product Troubleshooting for 1996 Chevrolet Cavalier

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