Archive for EFSedan.com 1987 to 1991 Honda Civic Sedan Owners Club
 


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boosted ef2

b20 miss firing

i started my car the other day and it started mising really bad..until about 4 or 5000 rpm ...i drove it for a bit and it got really hott..and started overheating..i stopped opened the hood...and the header was glowing brite red....i was wondering if this could be a blown headgasket..or just a faulty thermostat..and i just did an obd-1 conversion but didnt wire in the the 4--wire o2 sensor..could that b why its missing?or possibly a bent valve...any help would b greatly appreciated...and if anyone has the obd0 to obd1 diagram for the o2 sensor it would help alot...


..these r the colors i have on my sub harness
purple
blue
green
pinkx2
blackx3
grey
orange yellow
white

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