Questions & Answers for: GMC check timing

fuel/gas cap my check engine light is on and every time I get it checked out it reads I ned a new fuel cap at times I do smell gas. have you replaced the gas cap? most of the time when a check engine ...

...are easily checked. You'll need a timing light for the timing chain check. A can of Carb Cleaner for the valves. Get back to me with what you find out. We can take it from there. Good luck Ace ...

timing light and check your engine time against the front pulley and the timing scale located around your timing chain cover. If you have recently had your timing belt or chain replaced you could be a

...timing and check engine compression give it a tune up..if its high mileage its probably timing chain check for vacumn leaks and \or low vacumn. Lean fuel mix just off idle causes backfire. Also ...

...Check the timing sprockets for wear or damage. If crankshaft sprocket must be replaced, remove the sprocket and the pinion gear from crankshaft using the puller tool No. J-25031 or equivalent. Check ...

...running it starts for two seconds then stalls out Check your timing belt and timing. It sounds like your timing is off. If not, have your fuel pressure checked. It may be time for a new fuel

...timing to make sure it didnt jump time. Still in time. has 64 psi fuel, So thats good. Also tried some carb cleaner in the throttle body and still nothing. Just shut it off one day and will NOT start ...

...as it claims). Check the timing, and check the valve timing. You might even do a vacuum check on the intake. Failing that, it's time for help with the computer, or it may be a worn out

...timing light to check if the distributor shaft bushes are worn. The timing will wander if it is. Check the condenser and the coil .Check the distributor cap for cracks or carbon marks and that there ...

distributor,set timing,replaced wires,plugs,checked fuel pressure,will not start. double check the timing rotate engine by hand and re check until the markings are right each time you do one full turn