THis code could mean that any one of the problems are causing this.
Bad vacuum switch
replace the diode
battery needs replacing, make sure you replace it with a battery of correct cranking amps
Absolutely, it needs to be replaced immediately.
If you mean replace the headlight bulb they can be removed and replaced by opening the hood. Look at the back of the headlight - there are two separate bulbs for high and low beam on each side. There is a rubber cover on the back of the headlamp for each bulb that needs to be removed. If you mean replacing the entire headlight assembly then you need to remove the front grill and the front bumper cover.
TAke it to auto zone and have them chack it out
Blown head gastet, radiator leaking, thermostat needs to be replaced Blown head gastet, radiator leaking, thermostat needs to be replaced
probably your neighbours cat is locked in the boot ANSWER: LOL, Either that or one of the belts needs to be replaced.
take it to a shop it needs to be reclamed
Like many engine and diagnostic parts of the 1990 Toyota Celica, the tachometer needs the assistance of a fuse to operate correctly. Check the fuse box for a blown fuse for this instrument.
check your fuse..90% its the fuse needs relacing.
Bearing needs to be replaced
No oil pressure
the problem to this question is the timing chain hittin the valve cover, meaning the tensioner is broke. another reason is the intake cams is hitting into the top end. That means that the camshaft are bouncing up down and needs to be replaced.
Dealer says it never needs to be replaced.
The thermostat is behind the alternator. Follow the bottom hose from the raiditor to the engine. In order to replace the thermostat alternator needs to be removed.
Timing chain usually needs to be replaced each 180-200K miles.
Check coolant level in RADIATOR when cold When light is blinking turn on heat and see if you have any. If no heat good indication that thermostat is stuck in closed position and needs to be replaced