my tahoe

Asked by Feb 20, 2016 at 07:18 PM about the 2003 Chevrolet Tahoe LS

Question type: Maintenance & Repair

My 03 Chevy tahoe won't stay start it will run for
5to 10 mins then die till next day computer said
miss fire so I changed my cranksensor , fuel
pressure regulator , and spark plugs could it be my
fuel pump the pressure test read the pressure at 45  
Wat should it be on please help me

2 Answers

72,375

Well that is a good indication pressure being at 45 lbs. The fuel pressure should be 56 to 63 lbs.

Is the fuel pump electric tho a guy said he had same problem thought it was electric problem killing truck but it was fuel pump giving a misread on computer

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