2007 chevy Tahoe crank but no start

Asked by Jwoodruff Jan 07, 2017 at 06:35 PM about the 2007 Chevrolet Tahoe LT 4WD

Question type: Maintenance & Repair

My 2007 Tahoe cranks but won't start, battery was
replaced and O2 sensors as well. Any help would
be great!

5 Answers
224,135

Rowefast answered 7 years ago

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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159,355

Bob answered 7 years ago

Why did you replace the O2 sensors? They will not keep it from starting.

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GuruWHGST answered 6 years ago

Check fuel relay with gas cap off. And test fuel rail . Next air box.connection. ..and fuse25 amp. Blown. Leads not hook up.

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GuruWHGST answered 6 years ago

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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GuruWHGST answered 6 years ago

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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