CODES:6 ....10 AND 43 <----Which is Fuel Supply System which I may think is causing the problem but I wnat to know peoples opnion CODES 6 and 10 ARE MINOR.


Ok Well I've been trying to repair this bogging/misifiring/sputter problem on my D15B I finally pulled codes on it today because I never bothered to fix it now IM repairing it. PROBLEM:My car was running perfect till about a month ago.Nothing has been added to the car since problem or before problem even occured.MY car will misfire bog through all RPMS. My exhaust sounds that of a STI. It makes it to the RPMS but doesnt have ALL the power its supposed to have.SOMETIMES i can go light on the throttle and catch power but once i WOT it LOSE POWER and bog. if i give it light throttle throughout all RPMS it will start misfiring at around 4,500.

THINGS REPLACED OR CHECKED:I changed Fuel Pump that didnt help. Cleaned Air Filter, New Distributor,Timing has been checked and Compression Test was done and ALL cylinders were good and Timing was DEAD ON.

I took it to a mechanic they got power to the engine again after about 20 miles of driving it the problem devoloped again. My wiring harness has a quite alot of splices and my Mechanic said that my WIRING HARNESS IS CAUSING MY MISFIRE because there may be a WIRE IN THE ENGINE HARnESS THAT IS SPLICED AND CAN BE GETTING GROUNDED.
OR is it that my CODE 43 Fuel Suplly System is whats making my car Bog throughout all RPMS and make my engine have a little bit of power.???

 

Sounds like a good place to start....Pull the harness out and check everything...or you could just put another known good harness in there.

good luck!

 

Thats wat im planning to do throw a NEW harness is in there but I want to know peoples opnions if they think a harness that has quite alot of splices in it that may not even be to secure could be causing my car to react this way like my mechanic said

 

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I'm having the same problem with d15. I'm car idol's so low it sounds like it's going to die and when I take off in 1st gear it putters and finally it gains power. Idk what the problem is, my car did overheat a day or two ago though.

 

ttt

 

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Bump for him. My car does it as well.
But sometimes its fine.

 

i changed my wiring harness still does it