Idle and acceleration problems
#1
Idle and acceleration problems
I have a 88 iroc (305 tip auto). When cold the car starts and rpm drop to around 500 for a few seconds. For the few seconds the car runs rough and after it dies. I need to give it throttle to keep it alive. Once it’s warm and I drive it the the car once a to hesitate on acceleration and backfire. I have changed the Distributor, mass airflow sensor, idle air control, both mass airflow sensor relays, spark plugs and spark plug wires. Could it be the fuel pump or the fuel pump relay?
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