Question about 1997 Isuzu Rodeo
There is a component mounted to the front of the throttle body called an IAC (Idle Air Control) valve. It is held on by (2) screws and has an electrical connector plugged into it. That unit can clog up with carbon deposits and cause the car to idle incorrectly. Sometimes the car may idle high (in the 2500 RPM range), other times it may stall out when you come to a stop. If you take it out, be careful not to drop the O-Ring that goes around it.
You can take it off and brush clean it with kerosene (DO NOT submerge it or pull on the spring loaded pintle). See if it helps to correct the issue.
Autozone carries the replacement part for about $50. Changing it definitely improves symptoms of car surges, stall outs, and hard to start conditions.
Posted on May 25, 2011
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Posted on Jan 02, 2017
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