Question about 1989 Chevrolet C/K 2500
Could be lots of things....
1) Anyone on of the multiple sensors.....TPS, IAC, Air temp sensor, coolant sensor.
2) bad gas
3) bad fuel pump or fuel pressure.
4) bad fuel pressure regulator.
5) bad fuel pump relay.
Any of these could cause the problem.....you need to get someone with a scan tool to take a good look at what the truck is actually doing.
An O2 sensor can casue problems as well.
Posted on Nov 13, 2009
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Posted on Jan 02, 2017
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