1999 Chevy Suburban 1500. Replaced the starter, new battery....still won't start? what could be the problem?

30

Asked by Jan 16, 2015 at 04:39 PM about the 1999 Chevrolet Suburban C1500

Question type: Maintenance & Repair

New starter, new battery still...  won't start. Hot wired the starter to see if it was bad and it
runs perfect OUTSIDE of the car, once installed, it won't run. HELP!!!!

3 Answers

465

Have you checked your spark plugs?

30

replaced them twice...

25

The "fuel pressure sensor" is a likely cause. It's only a $20 part and it's fairly simple to install. The pressure has to be about 55 psi in order to start the Suburban, and once it's running, the pressure only has to be 40 psi or so (I'm generalizing).

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