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Re: Who wants to play "Guess my prob?"
#1274905 05/15/05 02:52 AM
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Lexington, Ky.
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gearhead_dup1 Offline
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If none of that other stuff works, your EGR valve may be stuck open. That would cause rough idle because it's supposed to be closed at idle.

'99 Sport TropicGreen,Duratec, SVT exhaust, Brembo rotors, Ceramic pads, K&N filters(oil & air), Alpine CDM7874, Polk DB570 speakers front and rear. Fog light mod. 50% Formula One tint.
Re: Who wants to play "Guess my prob?"
#1274906 05/15/05 11:31 PM
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Lexington, KY
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TheRock249 Offline OP
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Originally posted by gearhead:
If none of that other stuff works, your EGR valve may be stuck open. That would cause rough idle because it's supposed to be closed at idle.



sorry to keep this thread going, but.....

just finished replacing my spark plugs, old ones looked pretty bad. BUT...prob still exists. Ive narrowed it down to the secondaries, the car runs fine until i hit 3800 rpms or whatever it is. The engine tone goes from normal SVT exhaust to a deeper, not good sounding tone past 4000 rpms. Is this symptomatic of secondaries that arent opening?

98 SVT #1652 of 6535 My SVT "If everything seems to be going well, you obviously don't know what the hell is going on."
Re: Who wants to play "Guess my prob?"
#1274907 05/16/05 08:51 PM
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Do you have A/C??

Get a shorter belt and bypass the A/C pulley. My piece o' crap car was doing the same thing. We bypassed the pulley and everything is back to "normal"..

Re: Who wants to play "Guess my prob?"
#1274908 05/16/05 10:02 PM
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Originally posted by AlbanianSteve:

First of all, my car idles like crap. It runs fine at cruising, but when i come to a stoplight i have to keep revving it to keep it from dying.
Quote:



So, the bad idle problem is gone? As far as the loss of power, I think there is maybe a problem with your IMRC. If you search on "IMRC" in troubleshooting, I think you'll find a lot of information on problems and solutions.

'99 Sport TropicGreen,Duratec, SVT exhaust, Brembo rotors, Ceramic pads, K&N filters(oil & air), Alpine CDM7874, Polk DB570 speakers front and rear. Fog light mod. 50% Formula One tint.
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