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Bad Ignition Coils???

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DSMULATOR

15+ Year Contributor
188
0
Sep 19, 2006
B Ville, Rhode Island
Ok so my car was running in mint condition for a few days. That means something was about to break. Normal driving is fine, but while boosting (even like 10 psi) the car pegs rich and then starts to break up and buck. Ii've got brand new BP7s gapped at like 0.025" and Taylor race wires. Its def getting fuel because my WB02 pegs at 10 and I can hear the unburnt fuel popping in my muffler (no cat). First thing I did was a boost leak test and no leaks. Any other ideas before I go give Mitsu parts dept more money? Thanks
 
Ok so my car was running in mint condition for a few days. That means something was about to break. Normal driving is fine, but while boosting (even like 10 psi) the car pegs rich and then starts to break up and buck. Ii've got brand new BP7s gapped at like 0.025" and Taylor race wires. Its def getting fuel because my WB02 pegs at 10 and I can hear the unburnt fuel popping in my muffler (no cat). First thing I did was a boost leak test and no leaks. Any other ideas before I go give Mitsu parts dept more money? Thanks

Test the coil and ignitor with a meter or swap them for a known parts. I've had them crap out on me. It's rare but does happen.
That last thing in the world that you want to do is take the car to the dealer to replace an ignigtor and coil.
 
My car only does to the dealer to pick up parts and then leave. I've heard that its better to get OEM replacement coils than the stuff over the counter at a part store. Nothing but the best for my DSM and it treats me so bad...I'm planning on testing them out today. I can do primary and secondary resistance, but do the 2G have a transistor?
 
Buy your coils and ignitors used. The failure rate for these parts is really low.
I've suffered only one problem in 15 years of owning DSMs.
You can find used coils everywhere and for less than $40
 
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