My 2001 chevy blazer keeps popping codes for left & right bank burning rich,what may cause this?

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My 2001 chevy blazer keeps popping codes for left & right bank burning rich,what may cause this?

I have replaced plugs, wires,cap,rotor,all O2 sensors,air filter,and cleaned mass air flow sensor,and throttle body.

2007-03-26 01:53:17 · 3 answers · asked by m g 1 in Cars & Transportation ➔ Maintenance & Repairs

3 answers

Yeah, you did all that but didn't address the problem. You really should have just taken it in for a diagnostic. It would have saved you a lot of money on parts you didn't actually need.

Your problem is most likely the MAF or EGR - both common problems on a Blazer.

2007-03-26 02:35:27 · answer #1 · answered by Naughtums 7 · 0⤊ 0⤋

Often times the fuel pressure regulator leaks fuel inside the manifold. But I like Jessica R's answer best.

2007-03-26 02:05:15 · answer #2 · answered by BFH 6 · 0⤊ 0⤋

You need to reset you computer. dissconnet battery

2007-03-26 01:59:34 · answer #3 · answered by onefinesacaman 5 · 0⤊ 0⤋