exhaust problem
Thread Starter
3rd Gear
Joined: May 2013
Posts: 3
Likes: 0
exhaust problem
I have a 1994 c4, I just replaced the original exhaust with a muffler eliminator from cat back. Now when she gets up to temp. it starts to spit and sputter@ 2000 rpms and up. And it's not spitting a code. Has anyone eles run into this problem?and what do I have to do too fix it?? Thanks.
Last edited by chip LT1; May 23, 2013 at 06:01 PM.
Intermediate
Joined: Dec 2012
Posts: 37
Likes: 0
From: Greenwich Ct Naples Fl Ct & Fla.
Exhaust LT1
You have another problem than the exhaust I think. I have the exhaust eliminators on my 84 and My 96. No problems. the 84 been on for 10 years and the 96 1 yr. Check some where else. Maybe ignition did you do anything else to the car ??
Intermediate
Joined: Dec 2012
Posts: 37
Likes: 0
From: Greenwich Ct Naples Fl Ct & Fla.
Got me if that was all you did may have touched the sensor on the exhaust while under there.Sounds like could be starving for fuel. While back there may have touched the fuel line. Just a thought??
Le Mans Master
Joined: Oct 2008
Posts: 9,758
Likes: 49
From: Houston Texas
It sounds like you fubared your O2 sensor or there is a bad connection. Did you mess with them at all. When cold your car runs of a table. When hot it is in closed loop and runs of the sensors.
Intermediate
Joined: Dec 2012
Posts: 37
Likes: 0
From: Greenwich Ct Naples Fl Ct & Fla.
At highway speeds 60 70 in 6th gear NICE running about 1200 RPMs
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Le Mans Master
Joined: Dec 2006
Posts: 5,139
Likes: 482
From: H-Town Texas
First get under there and make sure all your O2 sensor connectors are plugged in tight, and make sure the braided ground from the frame to the bellhousing is undamaged.
