register
 
 
car repairs

What could be causing 4.8 L Cadillac misfire?

My caddy won't stop backfiring.

asked by Wes66 (34)

You have 50 words left!
 
 
related questions

What causes my engine to misfire?

What could cause my Caprice engine to misfire?

What is causing low voltage on my Cadillac?

What should I do about a misfire on a Hyundai Accent?

What tips can you provide me on troubleshooting my 99 Tacoma 2.7 that has had new plugs and wires placed in, however the truck hesitates while accelerating and backfires, the code is Pulled misfire #1 cylinder?

What would cause my Land Rover to misfire?

Why does my Cadillac use oil so quickly?

Tags:  car repairs  symptoms  what is

answers

The camshaft position sensor and crankshaft position sensor work together to fire the coil packs, if one of these is failing/has failed the car will backfire. The northstar V8 has a COP ignition which can be tricky to troubleshoot.

7 votes

The most common reason an engine will backfire is if the spark timing is wrong. Another way an engine will backfire is if there is too little backpressure in the exhaust system which would be caused by a defective muffler or exhaust piping or a poorly sealed or cracked exhaust gasket.

6 votes

This may be due to an overly rich fuel mix. The excess gas explodes in the exhaust causing a backfire. You might have a timing issue also.

5 votes

Most likely you have a problem with your ignition system. Have the timing checked if you dont know how to do it your self.

4 votes

oil leak

reply
posted by Anonymous  
2 votes

Report a post on this page as inappropriate
 If you have questions about user content, read our liability disclaimer

  
   
Add your own answer in 50 words or less! Add your comment in 50 words or less!

copyright © 2008 - 2010
conjecture corporation

FAQ About Us Contact Us Terms & Conditions Privacy Policy