I just swapped out the plugs too 2 step colder race plugs. this is when the issue began. i was getting on the highway and got on it. did some odd pops then stutter/misfires.
the codes i got was p0230 and p0503. every time i get to around 9lbs of boost it starts misfiring an has no power. i swapped back to my old plugs. issue still exists. compression check shows 180 for all 4cyl and no loss of compression. i swapped coil packs around and issue still exists car drives normal. until i get on it. or try to atleast. ive cleand the maf with maf cleaner. I have a WOT box and i reprogrammed it and checked wiring and all is good. with it.

during the misfires my interceptor showed 72 misfires. 0 knock. maf air flow lbs/m were between 20-35lbs/m and afr was showing 14.8

I run full e85 car's built and tuned by zzp has ran fine for the past couple weeks since getting out of storage. I have a return style fuel system with a 255 walbro 80# injectors.

can any one give me an idea what to check to fix this issue. any ideas. i do not have HPT only an interceptor. i still have the factory battery as well. i have searched and i dont know if those issues were as severe as mine is. im not sure if swapping the battery will fix this problem.

 

Why would the battery be bad? Have u checked the voltage w the interceptor?

 

i checked voltage thru turbo timer. 14.2

battery sat outside all winter. brought it in once it started warming up to charge it. i havent had any issues electrical wise till this started yesterday.

 

When in storage did you leave any E85 in the tank?

 

lower the gap on the plugs.

 

yes. its gone thru 3 tanks of gas since then. only a 1/4 tank was in it over winter. and i added iso-heet to it when i filled up. ran that tank out nearly completely and have filled up twice since then

 

sounds like spark blowout, tighten that gap. also E85 needs less of a colder plug than gas, so -1 step is coldest i would go

 

gaps are at .028 on one step colder plugs and its still having problems the 2 step colder plugs were also at .028

 

Listen to Area regap those plugs

 

and the stutter/misfire doesnt stop until i take my foot out of it. and i have to get back in to it easy. what about the springs in the coil pack boots? they look discolored

 

bkr7e plugs
gapped at .025 as a base.

 

alright. ill get some. but why wasnt it doing this before? the one step colder plugs i had in prior were at .032 all last fall and i had no problems what so ever

 

My car did the same thing.
Turned out to be all the injectors went to ****.

 

That would suxk. The afr is being pretty funk. I wonder if my 80s have gone static? Idle is now gettin shitty and bouncy

 

Cuz your car is slow. Just get the 2000cc injectors and tune better. Gap plugs better. And deffently driver mod.

 

Hmm interesting lmao mine is doing the same thing, and I aint got a clue! a/f drops to 10 flat if i try to tromp on the gas, it just face palms and drives like ****.. tryin to figure some **** out myself good luck bud.

 

mine isnt going rich but stayin in the 14s. thanks man. good luck to you.

frank. suck a bag of dicks



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im taking the car to zzp in the morning. ill update this when we figure something out


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sweet. def let me know! much appreciated.

 

I had two bad coil packs :/ lamee


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My car does the same thing, coil packs eh, where did you replace them?