1990 Chevrolet Truck Repair Question
Topics covered: Sensor, Knock sensor, Map sensor .
Mileage: 97,000 miles.
Mileage: 97,000 miles.
Asked on December 3, 2011
What causes low voltage in the electronic timing circuit
Code reader gave me a number 43 truck will start and run for a few seconds then shut off.
Asked by pblack1948Answer
Replied on December 3, 2011
try to see fi the vacuum hose going to map sensor is soft and suckingtogether. if it is replace it. then check yoru esc moduele and connections. if any wires have been moved like to knock sensor make sure they aren't touching another wire andpicking up that signal or sending one.
