i have a 1991 pontiac trans am with a 5.7 tuned port engine with a transmission fault

Asked by Ray1991 Oct 14, 2013 at 02:30 AM

Question type: Maintenance & Repair

i have a 1991 pontiac trans am with a 5.7 tuned port engine with an automatic transmission. With the vehicle speed sensor disconnected the vehicle accelerates but wont shift out of gear. With the vehicle speed sensor connected the vehicle accelerated and then stalls out. the speedo which is electrical bounces up pass 120 mph mark. the transmission has been rebuilt. the pcm and cluster replaced. the wiring checks ok. any suggestions.

1 Answer

Ray1991 answered 10 years ago

the prom was transferred. I changed the ECM twice to make sure it was not the ECM. there are no codes current or pending.

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