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International Automotive Technicians Network
Re: 2002 Chevy Express Hard Start
Posted to Technical Discussion Forum on 9/19/2017

Scott, in case you didn't see the resolution, it was the pump and testing amps helped verify it. The amperage was low, then when I did a flow test, the flow was correct, but deadheading the pump, I only had 40 PSI. Adequate flow with low pressure means low amp... Login to read more.