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The truck runs fine no obvious proble?

A "rough" idle is just like a normal idling engine speed, except it is irregu?

I have an 03 silverado 5 Recently it started to idle rough but not enough to move the tachometer. The most common reasons a Chevrolet Silverado 1500 has rough idle are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil 34 % of the time it's the 0 %. I agree with lzn197, I think it is probably a sensor problem. it will crank over a few times and start and run fine when started. I've logged it with hptuners and it's misfiring in cylinder 7 and 8 for me only during the cold start sequence. shein usa new arrivals Ok guys almost at a loss here I have a 2011 silverado crew cab 4 When cold it starts rough to the point it acts as the it is flooded. 2016 Silverado 1500 LT Z71 rough idle. 2009 Silverado Z71, 5 Under bottom coating. Rough Idle. 4L engine 2010-2017Chevrolet Equinox 2. funnymike vlogs Find out how to fix a rough running lawn mower engine by adjusting the spark plug gap, cleaning air and fuel filters, and switching to ethanol-free gas. Also check the stop idle valve. Near 300 then up to 700/800 and back down quickly. Apr 15, 2019 · Intermittent rough idle and misfire code. 3 and for the past few months it has been idling rough. If there is fuel in the vacume line that attaches to it then it could be bad. alex chovanak forum On a cold start spray a can of brake clean around the base of the intake plenum and see if the condition changes, if it does replace the gasket. ….

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