2003 Chevy Cavalier check engine light blinking

Tiny
NICK53147
  • MEMBER
  • 2003 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 115,000 MILES
Car started rough this morning. Engine light is blinking. The car rides rough and the motor and even muffler is shaking. There is no power. We changed spark plugs and coil boots. Fuel filter was fixed last summer. I cant get the car to autozone to get a code because the car drives slow and I dont want to mess anything up. I need it fixed but cant afford to pay $60 to get the code at the auto shop.
Tuesday, January 22nd, 2008 AT 3:44 PM

6 Replies

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
YOUR CODE IS MULTIPLE MISFIRE. WHEN YOU REPLACED PLUGS AND BOOTS DID YOU CHANGE THE COIL COVER? THAT IS THE PLASTIC HOUSING THE PLUG BOOTS CONNECT TO. CHANGE THAT COVER. ITS CALLED A COIL COVER. IT ACTS LIKE A DISTRIBUTOR CAP AND MISFIRES OCCUR INSIDE IT. HOPE THIS HELPS
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Tuesday, January 22nd, 2008 AT 3:55 PM
Tiny
NICK53147
  • MEMBER
  • 4 POSTS
So do I need the whole coil pack or just the housing cover?
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Tuesday, January 22nd, 2008 AT 11:26 PM
Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,750 POSTS
Just replace the cover.
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Wednesday, January 23rd, 2008 AT 11:05 AM
Tiny
NICK53147
  • MEMBER
  • 4 POSTS
Ok. I did this. The car is still puttering.
Thanks for your help. I will probably take to a shop. I need my car by tomorrow.
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Wednesday, January 23rd, 2008 AT 12:39 PM
Tiny
NICK53147
  • MEMBER
  • 4 POSTS
Took my car to the shop. They checked the compression at 175 110 155 170.
They want to check the timing chain. I read that it could be piston rings, weak injectors, weak coil or egr valve. I have new coil pack, plugs and spark plug boots. Still misfiring #1 and #4. Help
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Thursday, January 24th, 2008 AT 1:15 PM
Tiny
03BLUECAVALIER
  • MEMBER
  • 6 POSTS
My cavy is doing the same 120k miles almost however it is just one cylinder. I know its not the fuel injector and its not the spark plugs. I am told it might be the coil pack. I had it a a mech but he was not any good. He didn't have the knowledge or tools. I have it at a new one. I'll let you know what they tell me.
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Friday, February 15th, 2008 AT 1:12 AM

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