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10-05-2009, 12:55 AM
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#1 |
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Senior Citizen
Join Date: Jan 2009
Location: oregon city or
Age: 30
Posts: 116
iTrader: 0 / 0%
Ride: 1991 civic sedan 1972 datsun 620
Rep Power: 3
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1991 civic wagon dead! I'm stumped
So my friends '91 civic wagon has been having problems lately,It starts fine then after it warms up it will not restart!!! i have replaced the igniter,replaced the main relay,coil is brand new.it cranks over just won't fire,ihave checked for spark when it won't fire and it has spark,is the fuel pump bad?? should i check the timing belt for strech?? i'm f'in stumped....ECU?????
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10-05-2009, 02:27 AM
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#2 |
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Rotary Man
Join Date: Nov 2007
Location: SK, Canada
Posts: 238
iTrader: 0 / 0%
Ride: 1991 Mazda Rx-7
Rep Power: 31
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Well I'm not sure where you want to start but whenever I have a vehicle with a no start I always check to make sure I'm getting fuel and spark, so make sure you have both those, as well as good fuel pressure. Then we can go from there.
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An ounce of action is worth a ton of theory. - Friedrich Engels *Posted a few pics of the rex on my profile  *My Ride(s) 91' Fc Rx7 N/A (first car, wrecked by older lady  )87' Tii Rx7 (second/current car) 92' Honda Civic Hb (Dd/Winter Beater) |
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10-05-2009, 03:00 AM
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#3 |
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I'll be back...
Join Date: Feb 2003
Location: Rancho Cucamonga - UTI
Age: 26
Posts: 5,079
iTrader: 1 / 100%
Ride: 06 Mazda 5, 91 Civic DX
Rep Power: 156
  
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My sedan used to do that. Take an ohmmeter and check the resistance of the injectors. Mine was DPFI and the injector resistance specs are supposed to be .5 - 1.6 ohms, IIRC. I swapped out the injector that was reading high resistance (I think it was reading like 4.2 ohms) and now it starts up fine after it's warmed up. Hope this can help solve your problem...
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