1988 toyota truck 3.0 4x4 not starting

toyota 1988 · 05-22-2007, 04:50 PM

well ive tried, the fuel pump is not cutting on so i take the old fuel pump that still works and hook it up to the gas line and run wires to the batt and try to start it up ( nothing) Ive took the timing chain cover off it is still in good condition, the fuel pump is not cutting on( it has a new one and the old one still works, there seems to be corrosion in the computer. I thought it was a gas problem all alone, well it was getting pleny of gas running it straight through a line. Please help, i have mechanic skills but right now im stuck on the issue its giving me. Thankyou.

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1994runner · 05-22-2007, 07:55 PM

Check for injector pulse. They should have power at all times and the computer will pulse the ground to fire them. You can use a standard test light for this by hooking it to power once you know which are the gound wires or get a "noid" light set cheap from a good parts store that plugs in place of the injector. Power with no ground would be wiring or ecu.

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05-22-2007, 07:55 PM	#2 (permalink)
1994runner Registered User Join Date: Jan 2007 Location: Eastern Iowa Posts: 90	Check for injector pulse. They should have power at all times and the computer will pulse the ground to fire them. You can use a standard test light for this by hooking it to power once you know which are the gound wires or get a "noid" light set cheap from a good parts store that plugs in place of the injector. Power with no ground would be wiring or ecu.