93 Intrepid 3.3 engine backfires

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Jrl1125
Posts: 1
Joined: Tue Oct 01, 2013 7:12 am

93 Intrepid 3.3 engine backfires

Unread post by Jrl1125 » Tue Oct 01, 2013 7:16 am

The engine will backfire & spit, tach will fluctuate, cruise light on dash flashes on & off, & there will be static in the radio. Only does it at times while running fine others?

 

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carriedi
Posts: 2268
Joined: Wed Apr 10, 2013 12:42 pm
Location: Oregon

Re: 93 Intrepid 3.3 engine backfires

Unread post by carriedi » Tue Oct 01, 2013 4:23 pm

check the performance of your crank sensor. If the lab scope shoes a good pattern when you are having a problem check that your flex plate is not damaged. Another problem could be the tps or the tps connector. But concentrate on the crank sensor first.

you might also want to make sure that you don't have a problem with the basics like secondary ignition components and fuel injectors
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