Random misfire return
Im having the same problem but my car is running extremely rich in 2 weeks my brand new o2s went solid black and all my plugs have black on them, did the timing light trick cleaned MAF where do most people buy a fuel pressure regulator ill just turn my pressure down and see if that helps? and is it possibly for the coil packs to be bad but send a signal that the timing light reads and it did a good steady flash.
And I dont really wanna throw more parts at it for them just to go bad like these did in 2 weeks any sugestions. Im gonna pull my MAP sensor off and make sure its clean but other then that I have check most of it all.
And I dont really wanna throw more parts at it for them just to go bad like these did in 2 weeks any sugestions. Im gonna pull my MAP sensor off and make sure its clean but other then that I have check most of it all.
Thread Starter
Staging Lane
Joined: Jun 2007
Posts: 69
Likes: 0
From: Ocala, FL
Well it looks like I fixed it!!!! I went and got the Bosch 13111's from the down stream of a vette and replaced them. No misfire, no surging and no damn oxygen codes... Seemed alittle stronger too.... THX GUYS finally get to enjoy the car without the SES going nuts
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Staging Lane
Joined: Jun 2007
Posts: 69
Likes: 0
From: Ocala, FL
Ya my bet is exhaust leak aswell. I guess I should try retighning the headers and exhaust clamps.
It did die a twice yesterday after it had sat 3hrs when I would let says back out of a spot it would die when I hit the brakes or when I would come to a stop sign... This last for the first few minutes. According to my fuel pressure tester its strong and I changed fuel filters already. But no misfire crap or O2's codes...
It did die a twice yesterday after it had sat 3hrs when I would let says back out of a spot it would die when I hit the brakes or when I would come to a stop sign... This last for the first few minutes. According to my fuel pressure tester its strong and I changed fuel filters already. But no misfire crap or O2's codes...
Thread Starter
Staging Lane
Joined: Jun 2007
Posts: 69
Likes: 0
From: Ocala, FL
Yes, I drove it all all weekend and it ran fine. I have long tubes, 3" pipes into a offroad pipe and no rear cats. I have O2 sims on the back. So for the front O2's buy the rear corvette O2 sensors, Bosch Part # 13111.. Install, reset ECM... Done.
