Questions & Answers for: gm running compression

...compression but smokes and burns oil could this be a blown head gskt in the oil passage to the head.i have allways been a gm fan and have preached buy american all my life but if the top of the line ...

...running so it may not be a bad idea to setup the timing system as follows and do a compression test to make sure that everything is in order there. Install the crankshaft sprocket with timing mark at ...

...issue aside from the over-heating. The 4 tests given do not require the engine running, but it could help you in ...

...compression, your GM 4.3L (or 5.0L, 5.7L) equipped vehicle will run rough or cause a Misfire Code to set and turn on the Check Engine Light.So then, to wrap things up, the individual cylinder ...

compression did you pour oil inside cylinder to see if it's the head gasket is defect between two cylinder and to make a good test all spark plugs have to be removed. Also before you could try a clean

running about 9 % . short term about 0 to 2%. ratio 14.6:1. I'm stumped . could it be weak fuel pump or crank position sensor? engine runs fine after code clear and then acts up during driving highway

compression is low because when attempting to start the starter runs faster than normal. great question but guess what, you failed to say what engine? in usa? if not what country? gas engine or diesel

...with starting fluid Got compression fire gas still no start Have you run a fault code test at the diagnostic connector, see instructions at link with code lists FAQ How to read older GM codes for ...

...running right. Replaced ignition coil pack & ignition control module,ran fine for about 10 minutes then code 341 popped up , Camshaft position sensor. My car doesn't have a real camshaft position ...