Question about 1991 Toyota Celica
It was running fine and now it will not crank. It will turn over but not start. We have checked all the fuses that we know of. Took the fuel pump out and hooked it to a battery. It was pumping. Put it back in the car and it will still not crank. Checked the wires that go to the pump they all showed up on the meter except the thick blue wire. That may not mean anything. I just would like to get my celica back on the road. Any advice would be great.
Have you checked the fuel pump relay? On my UK ST185 model, it's in a small box on the left hand side of the engine bay as you look at it, at the front. Yours may well be somewhere else.
If this is not the problem, there are two main things to check: Ignition and fueling.
First, whip out one of your spark plugs, plug it into the lead from the distributor cap, and have someone else turn it over. If you don't see a spark, it's going to be an ignition issue. That means it could be (in order of connection) the supply to the coil, the coil itself, the "king lead" (main central lead into the centre of the distributor cap) or the cap or rotor. The cap & rotor are the most likely to be at fault, and the easiest to check and change.
If that's not the problem, the next thing to check is the fuel injection system. Have a sniff in the hole where the spark plug was and see if you can smell gas. If not, there's your problem - no gas! While I appreciate that you've checked the pump, you may well not yet have looked at the fuel pressure regulator (on the end of the fuel rail) or the injectors.
Posted on May 17, 2009
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Posted on Jan 02, 2017
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