Questions & Answers for: tuneup sierra gmc

...sierra 1500 4x4 automatic. A tuneup was done but think may have put wires on incorrectly....tries to start but no turnover (new battery). Where can we find a diagram or picture to double check? Thank ...

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Question about 1990 Sierra

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...gmc 305 new tuneup still hard to start any ideas Try to prime the engine with fuel thru the throtle body before u crank the engine over if it starts u have a fuel delivery problem. may be possible ...

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idles rough till about 1600 rpm. tried injection pump. starts good 1600 is not idle speed my friend, 600 or 700 is idle speed. You need a tuneup on your 13 year old vehicle.

after driving truck an hour service engine soon light comes on check gas cap make sure its tight,these trigger light a lot.or you could need tuneup.

...Sierra 1500 Go to autozone.com and put in your vehicle and engine size then there is a page that comes up that says lookup parts off to the left is hypertext to specs click on that and then tuneup. I ...

yes , when my husband drives his trk he gives it gas , its like it spit and spatter when it gets hot ? even when he cranks up in mornings it sound s rough ... any ideas what it could be tuneup maybe.

Question about 2002 Safari

1 Answer

Sierra, 71,500 mi. I used to start on a couple of turns of the engine, now its 3 times as long, it seems that its only a matter of time that it might not start!! by the way I just installed a new fuel

when do you change plugs on 2007 gmc sierra well when they look bad or when truck starts running rough or missing out a basic tuneup

97 gmc is hard to get started after it starts runs great maybe just a tuneup would help or some gas treatment...

...sierra truck v8 and it jerks going into 20 to 30 mph i have ran code and it says right side to lean left side to lean and p1025 what does this mean ? It also backfires sometimes Already did full ...

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