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  #1  
Old 05-16-2013, 12:51 PM
88doyle88 88doyle88 is offline
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Default misfire?rough idle? check this out

Hey everyone i had some problems with a misfire for about a year.
My check engine read p0305 and i went crazy trying to fix this. I replaced my coil pack , plugwires, plugs,and injectors. Replaced vacuum lines and a bunch of misc things among having to replace my engine because of low compression. It read the code before but it was still there after replacing my engine. So i took off my plenum to get to cyl 5 injector and the clip for the injector was broke it had a snug fit and would stayon but since the clip was broke the wires didnt have a solid connection. So i zip tied the clip to the injector and no code no rough idle and WAAAY better gas mileage. That stupid clip caused all of those problems i researched troubleshooting the symptoms and never seen anything about a broken clip. So i really hope this can help someone out i almost tried to sell my truck because i was gettin tired of the misfire. But now my truck runs better anx smoother than the day i first drove it.
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  #2  
Old 05-16-2013, 01:06 PM
Rangerman49 Rangerman49 is offline
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Default Re: misfire?rough idle? check this out

Quote:
Originally Posted by 88doyle88 View Post
Hey everyone i had some problems with a misfire for about a year.
My check engine read p0305 and i went crazy trying to fix this. I replaced my coil pack , plugwires, plugs,and injectors. Replaced vacuum lines and a bunch of misc things among having to replace my engine because of low compression. It read the code before but it was still there after replacing my engine. So i took off my plenum to get to cyl 5 injector and the clip for the injector was broke it had a snug fit and would stayon but since the clip was broke the wires didnt have a solid connection. So i zip tied the clip to the injector and no code no rough idle and WAAAY better gas mileage. That stupid clip caused all of those problems i researched troubleshooting the symptoms and never seen anything about a broken clip. So i really hope this can help someone out i almost tried to sell my truck because i was gettin tired of the misfire. But now my truck runs better anx smoother than the day i first drove it.

Wow!!! That was a one in million problem, great job finding that!!!
Thanks for posting this
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  #3  
Old 05-16-2013, 08:22 PM
Reeveman Reeveman is offline
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Default Re: misfire?rough idle? check this out

Have had some rough idling and hesitation at highway speeds and your post inspired me to check out the injector plugs. Turns out the spark plug wire on the #5 cylinder was unplugged. Don't know how that happened but whatever. Funny how sometimes we tend to over-think things when the solution is so simple. Think I will reward myself tomorrow night with some adult beverages.
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