Question about Worldwide 1994 Ford F150 Pickup 4.9L Alternator - 130 Amps

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Truck starts, engine runs well, but truck will not go pass 40mph and lower on an incline. What could cause this?

Truck recently tuned up including new plugs, wires, coil and distributor.

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Did you unplug the spout connector on the driver side fender towards the rear before setting the timing at 10 degrees before top dead center? another cause could be the oxygen sensor .

Posted on Jul 07, 2013


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98 chevy truck 350 engine 93K miles when starting sometimes the engine will backfire..could be cold or hot engine..but after it runs for a couple of minutes will run fine..

A backfire usually indicates a timing issue. I recommend a minor tune up, which will include new plugs and wires, as well as checking/setting the distributor timing. An oil change is also recommended after the issue is corrected, as offset timing can cause fuel to remain in cylinder, which then bleeds past the piston rings and ends up in the crankcase with the engine oil.

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My 2000 Ford Ranger suddenly started idling really rough (like it wants to stall) and also shakes really bad at 40 mph. It also shakes the truck while driving, but not as bad as at idle or 40mph. No e

First question is - is the check engine light on ?
If so you need to start with the trouble codes in the computer.
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check the bearings in the fan blade clutch
They can lock up at certain times & this did happen to me on two types of vehicles including a Ford truck

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2003 Ford Ranger starts hard.

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New Air Filter
New Spark Plugs
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These are the basic necessities of an engine. Having a dirty air filter, or plugs that are firing weak can surely cause this problem. Try giving the truck a good old tune up and see how it starts then.

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