probs need help!!!

[drewk302]

i am pretty sure my computer is gone bad please tell me what you think. first my plactic intake cracked and was leaking coolant onto cyl#5 so i causing a missfire. so i did the intake cleaned the coil and plug now my i am getting a missfire on cyl #4 immediately after installing the intake. i have changed the coil and plugs and still a missfire, i also tested the injector and did a compression test and all is fine. it seems to be an intermittent missfire also. it is worse after driving for a bit and when i stop only after driving it for a few the idle surges. oh and i also got a code p1000 saying that obdII tests incomplete. anyone have any ideas???

 

[randyp83]

my intake cracked on my 98 gt and it was a pain. any way just make sure if you haven't already take the spark plugs out and clean using wd-40 pop them back in and see what happens. it fix my problem with my misfire. before i did that i replaced my computer and coil packs. wish i used that wd 40 first.

 

[billyfe390]

i am pretty sure my computer is gone bad please tell me what you think. first my plactic intake cracked and was leaking coolant onto cyl#5 so i causing a missfire. so i did the intake cleaned the coil and plug now my i am getting a missfire on cyl #4 immediately after installing the intake. i have changed the coil and plugs and still a missfire, i also tested the injector and did a compression test and all is fine. it seems to be an intermittent missfire also. it is worse after driving for a bit and when i stop only after driving it for a few the idle surges. oh and i also got a code p1000 saying that obdII tests incomplete. anyone have any ideas???

Check your connections on everything and maybe test the CoP unit then check for vaccum leaks.

The p1000 code is a normal code you get when you scan for DTC's with the motor off.

If you computer goes bad it wont run.

 

[drewk302]

i tested all of the coils, injectors, plugs, did a compression test and all tested good. i double checked all my connections mayn times and found nothing. i could have missed something bit i havent found it thats why i say the computer.

 

[billyfe390]

i tested all of the coils, injectors, plugs, did a compression test and all tested good. i double checked all my connections mayn times and found nothing. i could have missed something bit i havent found it thats why i say the computer.

Its not the computer.

I cannot think of what else....
Intake vaccum leak maybe.

 

[drewk302]

i did a compression test on the cyl that is missfiring and it was fine and held so i dont think the intake is leaking, as far as a vaccume leak that is still very possible, the way i test it is spray carb cleaner around all areas where vaccume is and possible leaking places and listen for changes. i did that and found nothing. do you have any suggestions?

 

[tomustang]

that code is a reset code, you have to wait til it clears.