i have a gmc jimmy 1996 three cylenders miss firing,a code came up p1406,i changed the egr valve.still missing.changed wires plugs dis cap and rotor.what do you think it could be. Hi,you can re check ...
...plug (cyl 2) by holding it to the block- it fired, plus I know the fuel pump is good cause we checked for pressure-good and checked for the pump motor sounds-good...its getting fuel, getting spark to ...
rolling over and it fires but wont stay running rolling over and it fires but wont start it starts after ahile sometimes but then yesterday it woulnt even fire i have checked the plugs and they looked
...your code reader stated #2 spark plug not firing properly,that doesn't even exist. it should say misfire on #2 cylinder. Then you can come back and give the exact code numbers like P0123 ,and we can ...
fire but not sending it to the motor? You need 3 things. Compression Good hot blue spark to all plugs. Good gasoline and proper fuel pressure. 13-13.5 lbs on your TBI If you have all 3 then move on to
...fire Check the ECM/BAT fuse. this fuse controls the ECM and the fuel injection circuit. If the fuse is ok, you need to check for voltage at the spark plug. Pull the #1 spark plug. If the cylinder is ...
what will make the truck not start up but its getting fire, it wants 2 start but not turn over Three systems in engines: Fuel delivery (fuel mixing with air to burn and making it to the spark plugs) ...
...plug wires, but now it has a distinct knock when shifting from park into gear. The firing order I was given is cylinders distributor cap 6 5 6 5 4 1 4 3 2 3 2 1 about all I can offer, any ideas?? ...
...fire at the plug put the meter leads on the plug leads and crank the engine. the voltage should spike. My guess is that you have a bad wire on the #3 injector. All the injectors will have 12 volts ...
Question about 1999 Jimmy
...not have any fire there. Could be some plug wires mixed up, or the intake valves are not closing. You can check the firing order for the plug wires and run a compression test to check the
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