Questions & Answers for: Chevrolet Colorado lean mixture

...switch between .1 and .9, when there is insufficient switching it causes the engine to run both too lean and too rich at times. Too lean could cause the engine to missfire and run rough. Hope this ...

code 171 and engine light is on --BANK 1 = DTCs P0171 (lean) and P0172 (rich) -Check intake air system for leaks, obstructions and damage. -Check air cleaner element, air cleaner housing for blockage.

...4 times, then stays solid a bit, then repeats this flashing indicates your eng is running rich or lean and that cat converter is being damaged by the ...

...lean mixture, 1. an easy check would be to see if the egr valve is comming open at idle when warm, if you can see inside of the egr valve to the plunger make sure it is not lifted allowing egr gas ...

check engine light code p1133 on a chevy colorado 2005 check engine light code p1133 The code means the ECM doesn't like the exhaust mixture coming thru the cat.It could mean one of the O2 sensors

more compression in a hot engine, you have different timing in a hot engine because vehicles run so lean today.  The O2 sensors may be keeping the engine too lean to restart after a warmup. 

...mixture too lean which you may already know.The O2 sensor is telling the computer the fuel mixture is too lean and the computer can not make the mixture rich by leaving the injectors on longer.Have ...

...absolute pressure 9.77 inHg Air flow rate MAF sensor 0.53 lb/min Trouble Code: P0171Fuel Trim Too Lean Possible Causes: The current cell can be observed using a scan tool.The system will go lean if ...

trouble code p0171 The code P0171 means System too Lean (Bank 1). _______ Renault CAN Clip

...IS REPAIR?? code p0300 is multi or random misfires. could be plugs wires or coil packs. also fuel lean condition. if you have rotten eggs smell from exhaust the converter could be at fault as well ...