Question about 1988 Ford Econoline

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Engine shuts off when a bump is hit!

Can you take power from the battery to the coil to make it fire up??? Thanks for the help! Dad is trying to fix our van ;) Michelle

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I am from the UK so im not totally conversant with US vehicles, however in this case i would be looking for an inertia switch. These switches are fitted to cars so that in the event of an accident, the fuel is shut off. Pot holes and rough roads can trigger this by accident, stopping the engine. Look for either a red or black rubber coated button. It could be in behind a little cover near your feet inside the car, or under the bonnet (hood). if you find it, press the centre, you should hear a click. Then try starting the car. Good luck.


Posted on Jan 23, 2009


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After goings over a bump, why did headlights, tail lights and some dash lights go off and alternator light came on?

You must have a very loose electrical connection somewhere which is breaking contact every time you hit a decent bump. Have the main electrical cables to the battery checked carefully for condition, make sure the cable connections to the battery terminals are very clean and tight and check all power connections and wiring at the alternator. Then recheck if you are still getting an electrical power loss when you hit a bump.

If you are losing headlights and tail lights etc and getting the alternator warning you should be experiencing a loss of electrical power to the engine(coils, spark plugs and fuel injectors) and engine computer also.

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I have had the EXACT same problem with my 03 Chevy Tahoe!!! I have yet to find out the solution!? I cleaned all my grounds and changed my rear speed sensor along with bench tested my alternator! Have you found the problem? I would be very grateful if you could hit me back with an answer!! Thanks

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I would lean towards an electrical problem, good possibitly that a harness or connection got loose as you hit that bump. Have you confirmed that the motor is getting fuel and spark? If yes check your computer's harness's as well as any and all electrical connections under the hood.

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