Having problems with your 1994 Ford Econoline ?

Motor will miss at times can see volt meter will drop 1-2 volts when at idle at 35-65 mph a miss or **** off and on fuel new plugs & wires,added fuel treatment,had analized shows no falts

Posted / edited by AnonymousUser on : 10-12-2018

Answers :

If it has a 5.4 l coil over plug system. it could have 1 or 2 coils misfiring. On cyl 5 wire harness to coil could rub Powersteering brackit and cause a short. May have to drive with scantool hooked up to see which cylinder it is. If it a 4.6l It would have 2 coil packs which consists of 4 cyl per side. this type is also known to "short" internally. Again need scan tool to find which side. This is providing you got the right plugs/wire and such.There is a slight chance the fuel pump could be providing low fuel psi which could cause a miss under load/accelerating. A simple fuel psi gauge and a test drive would prove this.
The battery could be gone or you have an
Alternator issue

Any thing added to the fuel tank is not necessary
& just a waste of money. Those products are not
a subsitute for a repair

You do not need new plug wires every time you visit
a repair shop. They last for 15 years if handles correctly
Repair Help & Product Troubleshooting for 1994 Ford Econoline

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