Question about 1993 Ford Festiva
Any thing made by man can be fixed if the repairer has enough experience to face the challenge.. Unless you have jump started the car recently then there should be nothing wrong with the CPU . I would have done a fault code test first and checked for sensor that will cause the fault-- Starting and stopping could be an immobiliser problem---bad ignition switch ( not keeping contact in the run position)---low fuel pressure from bad fuel regulator ---intermittent contact on a cam/crank position sensor. or a dozen other sensors that affect the engine.
Posted on Jan 04, 2014
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Posted on Jan 02, 2017
It's got all the symptoms of a leak in the fuel line. You may want to start backward at the tank and work your way all the way to the carb to find it but it would be surprising if it was something else. All the best.
Posted on Jun 15, 2009
ford diesels from that year had a funky problem getting the crank triggers to work 100% of the time the software fix they refer to might be the one that alloud a poorer quality signal from the crank trigger to work , this is not a fix but a work around (no good)
first verify that a fault for the crank trigger sensor is held in memory with a scan tool (there not that expensive now)
if so replace it and don't forget to seal it with locktite blue (or it'll unscrew itself)
the trans od needs to see the crank trigger signal to determine "load" to high no Od bad signal makes eec go into can't decide mode and drops in/out of od
ohh a dead giveaway it's the sensor your tach will bounce (allot) at a fixed engine speed (2000 rpm)
also i just looked there's a TSB on throttle posisition sensors(oil vapor intrusion) as well affecting Od on transmissions but that being bad will make engine speed surge too and you did'nt mention that ?
yea EEC test is the way to go but get your own
Posted on Oct 24, 2009
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