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You have an 86 4wd truck z24 engine It got flooded with water you replaced the computer and cleaned and checked all grounds but the injectors do not pulse with no noid light response what could it be?
Wiki User
∙ 15y ago
The ecu needs to know the engine is turning. Since this got wet too, the first item I would check is the cps, Crank Position sensor. If the cps is not working, the ecu doesn't know the engine is turning and the ecu will not send a signal for the injectors to fire.
You have got some major troubleshooting ahead. Start with the computer relay and fuseable link, make sure there is power to the cmputer and then power out to the injector control. You will need a detailed wiring schematic. Water will short any powered circuit, and relays if not water tight will fail. You need to trace and verify your connections from the battery all the way to the injectors themselves.
Wiki User
∙ 15y ago
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