OK, its a 88 toyota pickup...ohmed out the fuel pump relay, and the mass air flow sencer. all the fuses are good.. followed the hanes book on testing..no trouble shooting in the book...ohmed out more stuff then in know the names for..im gonna get a scanner and hope that helps.. i havent looked at the ECM, altenator or the starter yet...oh yes, it does turn over....i hate not knowing the answer...so i hope someone will give it to me
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There is a switch in the airflow meter that keeps the fuel pump relay closed as long as there is airflow. With the meter unplugged, the pump should not run except when the key is turned to start. It would seem to me that you have a wiring issue. Try jumping the fuel pump relay so the pump runs whenever the key is on. (Remove the relay and jump the pump wire to the accessory wire--see top left diagram.) This defeats the safety feature but will keep the pump running.
A diagnostic scan is always a good place to start, even if there is no check engine light on. Ignition...are you getting fire to the spark plugs? Fuel pressure, fuel pump, clogged fuel filter, air filter not restricted? Battery fully charged, terminals clean and tight? These are a few basics needed for proper engine mangement. Good luck...hope this helps...please rate me a fixya.
SPRAY STARTER FLUID INTO INTAKE, IF TRUCK STARTS , YOU HAVE FUEL PROBLEMS. I WOULD START WITH GETTING INJECTORS CHECKED , SINCE YOU SAY FUEL PUMP IS FINE.RELAY OR FUSES POSSIBLE HERE . HOPE THIS HELPS!
If you have a tps and air flow meter you have a 22re fuel injection. Check for codes by jumping TE1 and E1 or jumping diagnosis connector.
The 22re will run with out the tps(throttle position sensor) plugged in. But it will not run with the air flow meter unplugged. The air flow meter controls the fuel pumps voltage. go to http://www.4crawler.com/4x4/CheapTricks/AFM/index.shtml This page tell you how to test those sensors. Then we can go from there.
The fuel pressure regulator may be shot also, but we will see.