Rough idle?
Junior Member
Joined: Jun 2008
Posts: 37
Likes: 0
From: missouri
Car: 89 camaro
Engine: 305
Transmission: 700r4
Axle/Gears: 2.73
Re: Rough idle?
the egr no working properly will cause it too idle a little differently. i hear it is not a good idea to run without one. as far as the muffler. shouldnt make much difference. i have heard that with no cats and muffler, the backpressure will be too low to operate the egr correctly... im having some of the same issues right now.
Junior Member
Joined: Nov 2008
Posts: 80
Likes: 0
From: San Diego
Car: 1984 Camaro Z28
Engine: 305 H.O
Re: Rough idle?
i would just tear up the junkyard looking for one when i took my muffler and pipes off from the cat it never cause me any problems at all... besides my neighbors getting all butt hurt
Joined: Mar 2000
Posts: 43,187
Likes: 46
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
An '84 wouldn't respond the same to removing the muffler as an '88 would.
The factory EGR valve on TBI cars has a nasty habit of not working correctly when you free the engine of the restrictive factory exhaust. But, it shouldn't cause it to idle rough.
What exactly do you mean by "my egr fell off"?
The factory EGR valve on TBI cars has a nasty habit of not working correctly when you free the engine of the restrictive factory exhaust. But, it shouldn't cause it to idle rough.
What exactly do you mean by "my egr fell off"?
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