Question about 2005 Chevrolet Silverado 3500
I have a 2004 Chevy Silverado W/ an 8.1 L, A couple of months ago I started smelling coolant when driving. The smell became stronger upon acceleration. I have checked the coolant tank several times & have not seen any loss of coolant. I have also developed a rough idle when at a stop . When I connected my scan tool to the truck it said that I had a random , multiable miss fire , bank 1 & 2 were lean & MAF. I have replaced the MAF , Ign wires , plugs , 8 coil packs & cleand the throttle body. I still have the miss but am not showing any codes. Any advice would be great.
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Posted on Jan 02, 2017
I'd disconnect my battery, and start unplugging every sensor connector, computer connector etc that I could find and spray them with contact cleaner, blow them off if you have compressor, add a little di-electric grease and put them all back together & try that first. You never know, you just might cure it, and materials are cheap.
Posted on Jan 02, 2009
SOURCE: Code 171 Bank 1 too lean
well actually you cant clean the mass air flow,you usually ruin it when you clean it,it could be a bad maf or just crapy gas,not crappy enuff that the car doesnt run,but enuff it doesnt like the air/fuel mixture and is setting the light
Posted on Oct 10, 2009
SOURCE: 2003 tahoe
For p0300 ,p0240 on chevy tahoe 00- 06 check a wire going along with the battery ground to the engine block thre should be a high resistence on the small wire ,it gets corrode over time ,it should be located on underneath of the driver side engine,
Posted on Feb 19, 2010
sounds like coolant is getting into the combustion , i would start with no2 cyl , its a place to start, could also be a leaking injector,
Posted on May 05, 2010
Testimonial: "Thank you, we will start there."
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