Question about Cars & Trucks
No apparent reason for car not starting - how do I tell if it's a fuse (s); fuel pump; theft lock; engine immobilization
If you have a light that says low oil pressure and it refuses to start then that would be the first fault to fix. When that is done reset the cpu with a code reader and find out the other faults that need fixing.
Posted on Jul 29, 2013
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Posted on Jan 02, 2017
you really need the dealer for this one. car is too new and should be under warrenty. This should not of happen. Most likely you have a computer issue with codes stored that will direct the technician in fixing this.
Posted on Aug 16, 2009
SOURCE: 2007 Ford expedition won't start
ur oil pump may be failin-there r sensors everywhere on new cars-keepin u from starting as safety measure-computer systems r complex n things dont always show on 1 scan-they kinda hav the mindset of a pc
Posted on Sep 15, 2009
Testimonial: "Thank you. I have spoken with 2 other mechanics who said the same thing regarding the oil pump. It's being looked at. So I'll post more once I know"
SOURCE: 2000 Jeep Grand cherokee Laredo
sounds alot the the pcm it controls the fuel pump and ign system but the anti theft would keep it from starting because the key has a transponder in it programmed for that vehicle and that would kill all ign if triggered
Posted on Sep 27, 2009
Are you sure it's running when cranking? It should have come on when key turned on.
This is for camrys up to year '91. It may apply in your '95, also. Check the 7.5 amp ignition fuse and the 15 amp EFI fuse and the EFI main relay, all located in the fuse box next to your battery. There is also the circuit opening relay tied in to fuel pump operation. It is usually found under center of dash. It is usually not the problem, but it is part of the checks for fuel pump operation.
If your car has a " check connector" or "service connector" (also called a fuel pump check connector) under hood on driver's side near the firewall (a little 1 inch cube with a cap on it), then bridge terminals +B and Fp with a jumper wire. Turn key to on (don't start car). The pump should come on. Listen for fuel return noise from the fuel pressure regulator, and verify pressure in hose from the fuel filter. If nothing, check those fuses above. Here is how power runs to pump: Battery to 40 amp main fusible link-to 15 amp EFI fuse-to EFI main relay-to circuit opening relay-to fuel pump-to ground. Ignition switch and the computer (ECU) work the relays to pass power to pump. Hope this helps some, Randy. Good luck.
Posted on Nov 11, 2011
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