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Franke · 05-22-2013

If its a 1990 to 92 could be a faulty or intermittent MAP or TPS sensor. The MAP is used as a direct input to the ECM to help control fuel requirements. 1990 to 92 cars didn't use mass air flow sensors. In general TPS sensors are known to go bad and cause off idle hesitation etc. Both of these can be tested easily. Best guess at this point.

05-22-2013	#12
Franke Join Date: May 2013 Location: Beaver, PA Posts: 515	Re: Engine loses power when starting off. If its a 1990 to 92 could be a faulty or intermittent MAP or TPS sensor. The MAP is used as a direct input to the ECM to help control fuel requirements. 1990 to 92 cars didn't use mass air flow sensors. In general TPS sensors are known to go bad and cause off idle hesitation etc. Both of these can be tested easily. Best guess at this point.