Q: Hard to start, low on idle, no code found.

asked by on July 21, 2017

I have 2001 Chevy 3500HD stake bed-dual tank, the problem is hard to start, it has to crank long to get the truck start, and when the engine is started, i noticed low idle. I checked but there is no code shown in scan tool.

The truck has 8.1 V8 engine.

Where should i look for this problem?

Thank you.

My car has 46000 miles.
My car has an automatic transmission.

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