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Joined: Jan 2003
Posts: 191
CEG\'er
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OP
CEG\'er
Joined: Jan 2003
Posts: 191 |
Well my CEL light has been on for about a month  and finally my car when you start it will just not hold rpms it just dies anything under 1k. Could this be caused by my bad downstream o2 sensor(po155) that is bad on my car? I dont know what to do?
99 CSVT****TRADED IN****
98 CSVT
*SHO Y-pipe
*Magnaflow Exhaust
*highflow cat
*KKM intake
*Rousch springs
*ST200 Struts
*19" Axis Sevens
2004 Blue Chevy Cavalier
*Groundcontrol coilovers
*debadged
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Joined: Oct 2002
Posts: 2,408
Hard-core CEG'er
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Hard-core CEG'er
Joined: Oct 2002
Posts: 2,408 |
P0155 would be the front upstream sensor.
It's possible it's causing stalling, but clean your IAC too.
"Those who cannot remember the past are condemned to repeat it" -George Santayana
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Joined: Jul 2000
Posts: 1,044
Hard-core CEG'er
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Hard-core CEG'er
Joined: Jul 2000
Posts: 1,044 |
This also sounds like a possible vacuum leak around the hoses leading to the accordian / intake tube, or somewhere else on the UIM. (That little hose leading to the 2" pipe on the underside of the UIM just behind the TB inlet comes to mind  ...) BTDT 
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Joined: Jan 2003
Posts: 191
CEG\'er
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OP
CEG\'er
Joined: Jan 2003
Posts: 191 |
Well you guys were right it was the IAC, it was nasty. Took 5 minutes to put the new one on and she runs great..thanks(CLOSE POST)
99 CSVT****TRADED IN****
98 CSVT
*SHO Y-pipe
*Magnaflow Exhaust
*highflow cat
*KKM intake
*Rousch springs
*ST200 Struts
*19" Axis Sevens
2004 Blue Chevy Cavalier
*Groundcontrol coilovers
*debadged
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Joined: Jan 2003
Posts: 15
New CEG\'er
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New CEG\'er
Joined: Jan 2003
Posts: 15 |
Where is the IAC? I've had the same problem on my duratech
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Joined: Jul 2000
Posts: 1,044
Hard-core CEG'er
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Hard-core CEG'er
Joined: Jul 2000
Posts: 1,044 |
The IAC valve is located on the UIM back towards the firewall on the drivers side. It is a small silver 'can' (1.5" Dia.) with a 2 wire connector going to it.
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Joined: May 2003
Posts: 284
CEG\'er
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CEG\'er
Joined: May 2003
Posts: 284 |
What does a new IAC go for? I cleaned mine, but i still get idle craziness and the car will stall the first time i start it once it drops below 1000. After that, its fine.
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Joined: May 2000
Posts: 1,359
Webmaster
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Webmaster
Joined: May 2000
Posts: 1,359 |
List price is around $85. Bill J can get you one for less.
-Lance
Lance Kinley
CEG Webmaster
95 SE, "Cassandra"
10 years!
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Joined: Jan 2003
Posts: 191
CEG\'er
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OP
CEG\'er
Joined: Jan 2003
Posts: 191 |
yeah, I payed 85 for mine from the dealer, and it went on in about 10minutes. Pretty easy install.
99 CSVT****TRADED IN****
98 CSVT
*SHO Y-pipe
*Magnaflow Exhaust
*highflow cat
*KKM intake
*Rousch springs
*ST200 Struts
*19" Axis Sevens
2004 Blue Chevy Cavalier
*Groundcontrol coilovers
*debadged
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