2007 chevy Tahoe crank but no start
5 Answers
Need to check to see if there is spark, and fuel pressure. Have to narrow it down. You could put a scanner on it to see if there are any codes.
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Why did you replace the O2 sensors? They will not keep it from starting.
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Check fuel relay with gas cap off. And test fuel rail . Next air box.connection. ..and fuse25 amp. Blown. Leads not hook up.
There are mapping sen.for fuel .neg off for 5 sec .the hook on turn key on too run then off the start.
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Blown main fuse ( 30 amp inside box. Inside engine wall..replace. check for lose contacks too there. .batt off. Neg.side only. Fr
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