Search Results for ‘misfires’

My Mustang misfires badly when cold. Once the car gets up to operating temperature, the misfires stop. The original check engine code was lean air fuel mixture. After about a month of this, the misfires became a bit worse (although still only when cold), and a new code popped up: random...

Got a problem with my 1967 Mustang... Just went through a rebuild with the 200ci Inline 6 engine. Rebuilt the head, new pistons, gaskets, etc. Also installed a power disc brake kit for the front. The car idles well while in park, but the minute you put it in drive the rpms shift lower, and if...

Hey everyone, I currently have an 88' Mustang 5.0 Lx. I've had this misfiring issue but it progressed. I don't really understand if it is progressing because it is simply cold outside (17 degrees) here in NJ or if its because of an idling issue or what. I've included a video below showing the...

Hello I have a 289 with MSD pro-billet, MSD Blaster 2 coil, Edelbrock 500 cfm 1404, Edelbrock Performer Intake Manifolds, Doug Tri-Y Headers, an a lot of more good stuff... But here now my problem is, it first started to misfire when i hit 4,500 rpms, but then it got worse, now i cant even...

Ford replaced my 2012 GT's transmission due a second gear issue with a brand new transmission. One day after the swap my engine light flashed them the next day the light stayed on. The codes I pulled were a misfire in cylinder 1&6. What could cause a misfire due to a transmission swap? Or is...

I have a 90 5.o all stock except complete aftermarket exhaust. hi flow bbk cats and h-pipe flowmaster super 44 mufflers and bbk shorty cermaic coated headers. Now for the problem.....upon initial startup i have problems with the car bogging down when i give it gas to the point where it almost...