Mechanics

I HAVE A THAT IS SHOWING A P0301 TROUBLE CODE MISSFIRE ON CYLINDER 1. MY AUTOXRAY MACHINE SHOWS NO POWER TO INJECTOR #2 THE INJECTORS OHM OUT OK

2006 Saturn Ion • 128,000 miles

The car runs rough at start up and idol and has trouble accelerating but runs smooth when up to speed I have also installed new spark plugs
Avatar
Heysecret
November 22, 2011.



That is a cylinder 1 misfire. Check compression in that cylinder, check coil. If you already replaced the plugs, check to make sure it is getting a good hot blue snapping spark to that cylinder and make sure the injector is getting power.

Just to add to this one I have seen some of the newer ions have low compression on a cylinder causing a dead hole. Also as far as checking the injector circuit best to use a noid light it shoukd flash while cranking and not stay on solid.

Saturntech9
Nov 22, 2011.
That is what I was thinking too, Saturntech. Thanks for the input.
Joe