will a code 43 on a 91 lumina make it not want to run

Asked by Mar 29, 2014 at 04:28 AM about the 1991 Chevrolet Lumina 4 Dr STD Sedan

Question type: Maintenance & Repair

car was running rough idle .  for a while now and now it just died i put a new crank
sensor on it and that didn't work. it wants to run for a second then dies please help

2 Answers

12,125

OBDI Code 43 is a knock sensor code. Knock sensor is used by the ECM to detect engine knock or detonation and controls the engines timing. Typically there is one sensor for each bank of cylinders.

1 of 1 people found this helpful.

Having same issues. Replaced knock and tps. Is there a second on a 3.1? Really need help figuring it out. Runs good for 15 seconds then roughly then dies ics was dirty cleaned put it back and still is doing above. Next thought was to replace csp and idle control sensor (ics)

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