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#1
03-26-2006, 11:24 AM
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1996 pontiac sunfire overheating 2.2L
I have a 96 pontiac sunfire overheating continuously. I have replace the thermostat, waterpump, and radiator, even a second thermostat cooler temp and still overheats. I have also replaced temp switch and confirmed the fan is working. Need help bad. What am I missing?
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#2
03-31-2006, 02:48 AM
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Re: 1996 pontiac sunfire overheating 2.2L
try doing a compression test, you may have a blown head gasket or a the head could be cracked
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 1993 HONDA CIVIC EX BLITZ FRNT M3 SIDE BLACK WIDOW REAR JSP TERMINATOR WING 17' MOTEGI SUPER SILVER RIMS D16Z SOHC 1.6 VTEC SKUNK2 INTAKE MANIFOLD CROME TUNED ECU B&M FUEL REG DSM 450CC INJ. MSD BLASTER COIL APC 9MM WIRE GREDDY BACKCAT EX T25 CUSTOM TURBO KIT @ 7PSI TUBULAR MANIFOLD AIR TO AIR INTERCOOLER ALCOHOL INJECTION 18002 TURBO MILES AT 218002 MILES GOING 140MPH FINALLY WENT BUT, STILL GOT ME HOME
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#3
03-31-2006, 06:57 PM
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Re: 1996 pontiac sunfire overheating 2.2L
I was wondering though. If you have a cracked head or blown head gasket would'nt you see smoke out the tail pipe or the oil turning to a milkshake color?
 This engine runs pretty smooth and has good power but this just does not make sense. Thanks for responding, Mike.
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#4
04-02-2006, 08:25 AM
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Re: 1996 pontiac sunfire overheating 2.2L
not really your head could be warped and the coolant can be leaking on the side of the head not mixing with you oil and not going into your exhaust. it is a common problem w/ the 2.2l to leak in the frnt driver side of the head.for a peace of mind do a pressure test and a compression test.
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1993 HONDA CIVIC EX BLITZ FRNT M3 SIDE BLACK WIDOW REAR JSP TERMINATOR WING 17' MOTEGI SUPER SILVER RIMS D16Z SOHC 1.6 VTEC SKUNK2 INTAKE MANIFOLD CROME TUNED ECU B&M FUEL REG DSM 450CC INJ. MSD BLASTER COIL APC 9MM WIRE GREDDY BACKCAT EX T25 CUSTOM TURBO KIT @ 7PSI TUBULAR MANIFOLD AIR TO AIR INTERCOOLER ALCOHOL INJECTION 18002 TURBO MILES AT 218002 MILES GOING 140MPH FINALLY WENT BUT, STILL GOT ME HOME
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