1997 Pontiac Sunfire - Answered Questions & Fixed issues
1997 2,4 sunfire cylinders 2
I would suspect a head gasket or head problem.. the catalytic converter being plugged causes heat build up in the engine and overheating in the engine can cause failure of the head hasket or head itself. The reason your cylinders are misfiring could be water leaking from a water port in the head and into the cylinder which would cause the cylinder not to fire..there might be some steamy vapor coming coming out of the exhaust if that is happening
4/8/2022 6:41:41 AM •
1997 Pontiac...
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Answered
on Apr 08, 2022
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448 views
#2 misfire fouled spark plug in sunfire
yes bad leads will be one of the faults
run the motor in the dark raise the bonnet look for sparkle trails
on the leads
coil pack could be faulty
compression test will tell if it is a leaky valve
back fire can be running lean or timing
3/31/2017 10:10:42 AM •
1997 Pontiac...
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Answered
on Mar 31, 2017
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120 views
On a 97 Sunfire what do the Vale adjust at
There is no adjustment ,
Install the rocker arm and the ball.
Apply Dri-Slide Moly lubricant GM P/N 1052948 or equivalent to the threads of the stud.
Install the rocker arm nuts.
Tighten
Tighten the nuts to 30 N·m (22 lb ft).
12/19/2016 11:18:57 AM •
1997 Pontiac...
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Answered
on Dec 19, 2016
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45 views
The headlights on 97 pontiac sunfire have no power to them. It looks like the ignition has been replaced and the security has been tripped. causing car to pull less power, not run right. Any ideas
Yea, take it to a qualified repair shop ! Could be anything , and with out doing some test couldn't make a suggestions .
Headlights/Daytime Running Lights (DRL) Circuit Description
The instrument cluster controls the headlamp systems that include daytime running lamps (DRL). The system allows the headlamps to operate at a reduced intensity when all of the following conditions apply:
• The engine is running.
• The transaxle is not in the PARK position.
• The normal headlamps are not on.
The instrument cluster turns the DRL system on by grounding CKT 592, thereby energizing the DRL relay. This action allows a reduced voltage of 6 volts to flow across the headlamps. If the vehicle has the optional fog lamps, the fog lamp relay will also be energized. The park lamps will turn on and the fog lamps will operate normally. When the headlamp switch is turned to the ON position, the instrument cluster allows normal headlamp operation.
The instrument cluster also has an input from the park brake. If the park brake is in the ON position, the DRL will remain disabled until the park brake is placed in the OFF position. On vehicles with an automatic transaxle, the instrument cluster will disable the DRL until the transaxle has been taken out of the PARK position.
12/19/2016 11:16:32 AM •
1997 Pontiac...
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Answered
on Dec 19, 2016
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62 views
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