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fiero 85 GT
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APR 09, 03:29 PM
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I have a 85 fiero gt that I installed a 4.9 Cadillac . It had been running for the last 2 years. The other day I power washed the engine and engine compartment, I then started the car and moved it back into the garage. The next I went to start car and it would not start. I checked for spark, I checked that the injectors were firing. I then checked the coil, it was good, Checked the module in distributor, it checked good. I cannot figure out what is wrong, anybody have any idea's?
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Gall757
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APR 09, 06:12 PM
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power washing. In a few more days it will dry out and you will never know what the problem was. But it could be old spark plug wires. Wait until dark and get a helper to start the car while you look at the engine. You may see little arcs flashing on the wires.
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fiero 85 GT
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APR 15, 08:03 PM
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Nobody has any ideas what might be causing this?
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donuteater306
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APR 15, 08:48 PM
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Gall757
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APR 16, 09:07 AM
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Still won't go?
There are lots of variables with a swapped engine car. Power to the fuel pump would be one, but you need to closely examine all the fuses and the C500 connector. Maybe a 4.9 owner will have some better suggestions.
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fiero 85 GT
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APR 16, 04:24 PM
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Fuel pressure is 43 psi, injectors are firing, spark plugs are getting spark. It seems like everything is working as it should but will not start.
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Patrick
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APR 16, 04:34 PM
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| quote | Originally posted by fiero 85 GT:
It seems like everything is working as it should but will not start.
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A friend of mine years ago had a couple of 4.9 powered Fieros. His experience was that if the spark plugs became fuel-soaked for whatever reason, there was no way the engine would start. Many times, all he had to do was pull the plugs to clean/dry or replace them... and engine would then fire right up.[This message has been edited by Patrick (edited 04-17-2019).]
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