Fuel Pump Relay Question
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Fuel Pump Relay Question
95 4Runner 4X4 3.0 - If the fuel pump relay is bad, then the truck will not start correct? It either works or it doesn't? or can it work partially (supplying more or less fuel?) Is there an EASY way to check the fuel pressure regulator? Could the regulator cause it to run lean? Please help. Thanks, Brian
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Originally Posted by bsanders30096
95 4Runner 4X4 3.0 - If the fuel pump relay is bad, then the truck will not start correct? It either works or it doesn't? or can it work partially (supplying more or less fuel?)
Have you checked out the FSM for the regulator question?
http://personal.utulsa.edu/~nathan-b...89fuelpres.pdf
http://personal.utulsa.edu/~nathan-b...87fuelpump.pdf
What makes you think it's running lean?
I guess you checked the fuel filter already.
Last edited by mt_goat; 05-13-2006 at 06:18 AM.
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I got a code 25. The filter has been replaced. Timing is correct, and all spark plugs are new. I'm checking the wires today. It seems to run for a while after clearing the code, but it always comes back after about 45 minutes of driving...and then it stays on all the time. The 02 sensor is new. It's a Bosch, not a Toyota part...the dealer told me that this could be the reason, but I don't think it is. The number 6 platinum plug was brown when I changed them out this past week. -Brian
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