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Re: 89 tbi running & starting problem
It has good fuel pressure, you tested the TPS, you replaced the ECM, IAC, TBI unit & coolant sensor, and it will not start without spraying starting fluid in it.
Have you looked at the spark plugs to see how they look? Are they Black? Are they clean?
Possibilities:
You replace the wrong coolant senor
The fuel pressure really low
The injectors are wrong and it is not getting enough fuel
The distributor is very worn and reluctor is hitting the points on the pickup
You installed the wrong ECM
The ECM has the wrong PROM in it.
There is a problem with the wire harness
Bad grounds between engine – body – battery
The plugs are so dirty it can’t possibly run right.
The engine has a mechanical problem – that compression is low
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For those of you that are wondering why you are not getting replies to your thread:
Did you give the model, year, engine, fuel system type, and transmission information?
If it is modified from what came stock from the factory, let us know that too.
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