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Joined: Mar 2004
Posts: 4,141
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Been having an issue with a rough idle sinc ei got the car on the road again two weeks ago. This idle issue is also joined by 22-24 MPG highway mileage, if that matters.
After days of searching and testing here is what i've done so far:
1) replaced IAC with one i know was good of my SE(RIP)
2) checked for vac leak....did not find one (my personal culprit for my issues, any know area to check for leak?)
3) replaced EVR with a new one recently installed on my SE
4) has new revised DPFE sensor
5) ran a bottle of injector cleaner through it, no help
6) removed and cleaned MAF wires
7) reset the PCM
8) full UIM\LIM rebuild
9) installed a TPS i know is good
10) ford racing wires with new autolite double plats propperly gapped
I was getting 30 MPG out of my SE w\o the headers.....
I'm not throwing any codes.
FWIW, i'm running stock exhaust off a set of MSDS headers with opt y and MIL eliminators, ru3530.
I'm at my wits end guys, please help.
99 SE V6\5spd - 156 HP\157 TQ 15.166-90.84
Totaled 02/12/06
99 SVT # 1571 - 175 HP\153 TQ 14.999-91.88
Born 3/24/99 Reborn 3/18/06
Pietenpol Racing Technologies project vehicle
90 Festiva L 5spd, Blue(not for long), 103k
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Joined: May 2004
Posts: 9,872
Addicted CEG\'er
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Addicted CEG\'er
Joined: May 2004
Posts: 9,872 |
lol I have the EXACT problem and i hate life at the moment!
im running 3 codes
1121
1131
1151
that dammn TPS is pissing me off! its brand new and still its giving me sh!t..its not broken or anything..
#0009
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Joined: May 2004
Posts: 9,872
Addicted CEG\'er
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sorry its not the 1121..it was 1120, my bad 
#0009
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Joined: Mar 2004
Posts: 4,141
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OP
Hard-core CEG\'er
Joined: Mar 2004
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I'm not throwing any codes...but thanks.
11) Tested EGR, it's not stuck open(another possibility i found searching)
99 SE V6\5spd - 156 HP\157 TQ 15.166-90.84
Totaled 02/12/06
99 SVT # 1571 - 175 HP\153 TQ 14.999-91.88
Born 3/24/99 Reborn 3/18/06
Pietenpol Racing Technologies project vehicle
90 Festiva L 5spd, Blue(not for long), 103k
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Joined: May 2004
Posts: 9,872
Addicted CEG\'er
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Addicted CEG\'er
Joined: May 2004
Posts: 9,872 |
Originally posted by pole120:
I'm not throwing any codes...but thanks.
11) Tested EGR, it's not stuck open(another possibility i found searching)
Mark told be about some vacuum lines behind the engine which I had no idea what he was talking about lol
#0009
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Joined: Mar 2004
Posts: 4,141
Hard-core CEG\'er
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OP
Hard-core CEG\'er
Joined: Mar 2004
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Anyone? I don't know where to go from here... 
99 SE V6\5spd - 156 HP\157 TQ 15.166-90.84
Totaled 02/12/06
99 SVT # 1571 - 175 HP\153 TQ 14.999-91.88
Born 3/24/99 Reborn 3/18/06
Pietenpol Racing Technologies project vehicle
90 Festiva L 5spd, Blue(not for long), 103k
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Joined: May 2004
Posts: 9,872
Addicted CEG\'er
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Addicted CEG\'er
Joined: May 2004
Posts: 9,872 |
#0009
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Joined: Oct 2000
Posts: 770
Veteran CEG\'er
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Veteran CEG\'er
Joined: Oct 2000
Posts: 770 |
Is it rough from an cylinder missing or overall rough? Cylinder miss will be heard in the exhaust with a "boomp - boomp" kind of sound. Sometimes the engine is running fine - it's the engine mount that is screwed up. All the usual engine vibrations are being transmitted to the chassis from metal to metal contact.
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Joined: Nov 2005
Posts: 410
CEG\'er
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CEG\'er
Joined: Nov 2005
Posts: 410 |
Check your timing belt and overall timing. Has your belt ever been changed?
Check it closely.
95 Contour GL. Bought new.
BAT Sway Bars/Pioneer CD/Koni Rear Struts/Mobil Fluids.
Looking for 15" alloy rims-PM me.
180,500km's so far.
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Joined: Mar 2004
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Posts: 4,141 |
Originally posted by 2X95SEs:
Is it rough from an cylinder missing or overall rough? Cylinder miss will be heard in the exhaust with a "boomp - boomp" kind of sound.
I don't know enough to say...its idling at the propper RPM, just rough. Vibration and shiddering is constant, and my fuel economy sucks. What would you susopect be the cause of a miss?
Josh
99 SE V6\5spd - 156 HP\157 TQ 15.166-90.84
Totaled 02/12/06
99 SVT # 1571 - 175 HP\153 TQ 14.999-91.88
Born 3/24/99 Reborn 3/18/06
Pietenpol Racing Technologies project vehicle
90 Festiva L 5spd, Blue(not for long), 103k
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