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You have not run a OBD2 electronic engione control fault code test, get a code reader and do that first and don't replace anymore parts until that is done and you have the fault codes and have done the proper diagnostics for each code.
Hi Amy: First, I suggest spray some starter fluid in the throttle and see if it starts and try to start. Also, confirm if... do you hear the pump boot up for about two or three seconds when you turn the
ignition ON? If not, then you know it's a source problem or the pump
After you mentioned replacing the pump, then it's safe to say
it's a power supply problem to the pump, or at least that's where I
would check first.
the plug-in under the van near the tank for corrosion and good
connection, then check the ground wire right next to it on the frame
rail, make sure it isn't corroded and has a good connection. Then work
back to the fuel pump relay from their. The relay is either on the
firewall by itself or in the fuse box under the hood.
If you do
hear the pump boot up, then at this point, I would check for spark. Check the coil wire to the cap, then check a spark plug wire from the
cap to see if you have spark at those two points.
Hope this helps; also keep in mind that your feedback is important and I'll appreciate
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ADVANCE AUTO HAS A MACHINE TO TEST MODULES.. BUT IF I WENT THROUGH THE HASSTLE TO REMOVE IT I WOULD REPLACE IT..YOU ARE DOING WHAT IS CALLED SHOTGUN REPAIR..REPLACING PARTS ON A GUESS..NEED TO FIND OUT WHAT YOU ARE MISSING SPARK,,, FUEL,, COMPRESION...GET BACK WITH ME
Start with fuel system. Listen for fuel pump humm at fuel tank No humm check wiring to pump for power. Then check for spark at plugs and wires. Remove wire from coil and hold near engine and see arch when you crank. No arch. Replace ignition Modular inside distributor cap or cap or rotor
Did they do a fuel pressure pressure test to determine that its fuel pump? And if so what was the p.s.i.?It should be around 55 to 60 p.s.i. a few pounds under 55 p.s.i. Pump needs replaced, Your shop should have chk. this when it was there the first time. Did they by chance chg. the fuel filter, that can hinder it from starting too.