1990 Ford Thunderbird SC Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Ford Thunderbird SC
1990 Ford Thunderbird SC Problems
White smoke coming from the exhaust could indicate that a head gasket has blown or there is a cracked cylinder head. Our technicians tell us that removal and inspection of the cylinder heads will be required to confirm a crack is present.
The battery light may illuminate on the instrument panel because the alternator wire harness connector is damaged. A new connector kit is available and should be installed to correct this concern.
If you experience difficulty starting the engine when cold, stalling at idle, or hesitations during acceleration, it may be the idle air bypass valve. This valve helps the vehicle idle steady when the accelerator pedal is not pressed.
1990 Ford Thunderbird SC Questions
this started Sunday, i made it home, but not without having to put the car in neutral at every light ,tap the gas to bring the idle down, but when it got down to what is the new normal 2-3k idle there is a nasty humming vibration like noise, but not as your driving as mentioned...Then, in park wh...
was told that it was the inter cooler that needs to be sealed correctly or it wont start is this true ive had the car for 2 years fixing it a bit at a time on my own but stuck on this last bit please help
restart it ,it runs rough for awhile , and then smooths out afer I get moving,also i notest that if i run the ac unit it doesnt start back up rough,what can be the proublem, new o2 sensors airflow sensor i re place idle control please help me here with a few ideals thanks