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 Post subject: 97 Metro TPS adjustment
PostPosted: Tue Sep 21, 2004 8:32 am 

Joined: Sun Sep 05, 2004 10:34 pm
Posts: 13
Location: Phelan, CA
I have a 97 Metro, 1.0L, 5 sp. It won't start when it's cold. I have replaced the fuel filter, plugs, ignition wires, PCV valve, rotor and cap. Coil checks good. No OBD II codes. The Throttle Position Sensor does not check good. The A-B terminals never show continuity (I believe this activates the Idle Control Switch). Also, the resistances between A-C and A-D are out of spec (too low). I think the previous owner "steam cleaned" the engine and pretty much hosed the sensor. Does this make sense? I have ordered a new WELLS brand TPS (TPS486) from AutoZone. Should be here in a couple of days. How do I adjust the TPS?
The 97 doesn't seem to have the "normal" throttle stop. The acclerator cam "stops" on a small "plunger like switch" at the back of the TBI (I think this is the Idle Speed Control Motor). Any help is appreciated.


 Post subject:
PostPosted: Wed Apr 06, 2005 3:55 pm 
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Joined: Thu Dec 30, 2004 6:31 pm
Posts: 166
Location: Nuevo Laredo, Tamaulipas
check out my thread;

i had a similar problem on a 96, it migth be similar to yours.

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