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Car Forum / Driving, Maintenance, Tuning / Maintenance and Repair / September 2007Tech: 1994 Escort won't start, but turns over
My friend is stumped. He has a 94 Escort that came to him with a serp belt that snapped off and broke 1 wire off of the crank sensor plug which has been reattached. The problem now is when you crank the motor over it will not fire. BUT, he noticed if he would bump the engine with the key and slightly move the key back a little it'll get spark & fire up and run just fine until you shut the motor off. Do you think this is an ignition switch related problem, or something to do with the belt snapping off and hitting wires? Thanks Chas >My friend is stumped. He has a 94 Escort that came to him with a serp >belt that snapped off and broke 1 wire off of the crank sensor plug [quoted text clipped - 4 lines] >move the key back a little it'll get spark & fire up and run just fine >until you shut the motor off. Could be a bad ignition switch. Could be the controller is just allowing a little spark in when it loses power too. >Do you think this is an ignition switch related problem, or something >to do with the belt snapping off and hitting wires? Dunno, what does a voltmeter on the coil do when you try this? What is the resistance across the crank sensor? --scott  Signature"C'est un Nagra. C'est suisse, et tres, tres precis." > >My friend is stumped. He has a 94 Escort that came to him with a serp > >belt that snapped off and broke 1 wire off of the crank sensor plug [quoted text clipped - 3 lines] > >BUT, he noticed if he would bump the engine with the key and slightly > >move the key back a little it'll get spark & fire up and run just fine What I can tell you is that their is no power to the coil or injectors unless you bump the ignition and move the key back slightly after bumping it'll ignite & run. I'll have to check the resistance on the crank sensor and get back to you. Chas > >until you shut the motor off. > [quoted text clipped - 9 lines] > -- > "C'est un Nagra. C'est suisse, et tres, tres precis." >> >My friend is stumped. He has a 94 Escort that came to him with a serp >> >belt that snapped off and broke 1 wire off of the crank sensor plug [quoted text clipped - 7 lines] >unless you bump the ignition and move the key back slightly after >bumping it'll ignite & run. Is there power to anything? Is there power at the ECU? If there is no power at the ECU unless the key is held in a weird position, you need to look at the key switch. --scott Signature"C'est un Nagra. C'est suisse, et tres, tres precis." > >My friend is stumped. He has a 94 Escort that came to him with a serp > >belt that snapped off and broke 1 wire off of the crank sensor plug [quoted text clipped - 16 lines] > -- > "C'est un Nagra. C'est suisse, et tres, tres precis." Update: I talked to my buddy and he's telling me he check for current to the coil, and it has current to the coil when the ignition switch is in the off position. When it's in the on or start position the coil doesn't have power. Chas >Update: I talked to my buddy and he's telling me he check for current >to the coil, and it has current to the coil when the ignition switch >is in the off position. When it's in the on or start position the coil >doesn't have power. VERY broken ignition switch. --scott Signature"C'est un Nagra. C'est suisse, et tres, tres precis." > >Update: I talked to my buddy and he's telling me he check for current > >to the coil, and it has current to the coil when the ignition switch [quoted text clipped - 6 lines] > -- > "C'est un Nagra. C'est suisse, et tres, tres precis." I was just told a new ignition switch from Ford was put on. Problem still exists.. Anything else?? Chas > > >Update: I talked to my buddy and he's telling me he check for current > > >to the coil, and it has current to the coil when the ignition switch [quoted text clipped - 11 lines] > > Chas I have had this experience with older fords and it was the ignition module. The crank circuit in the module would quit but the run sircuit still worked. As long as when the key was released at the right time they would start. There was no spark in the srank position but there was in run. > > > >Update: I talked to my buddy and he's telling me he check for current > > > >to the coil, and it has current to the coil when the ignition switch [quoted text clipped - 19 lines] > > - Show quoted text - Thanks. I'll tell him to give that a try. Chas > > > >Update: I talked to my buddy and he's telling me he check for current > > > >to the coil, and it has current to the coil when the ignition switch [quoted text clipped - 19 lines] > > - Show quoted text - Come to find out the ignition module was also replaced. He hopes he didn't get a defective module. Could it be something else? Thanks Chas > > > >Update: I talked to my buddy and he's telling me he check for current > > > >to the coil, and it has current to the coil when the ignition switch [quoted text clipped - 19 lines] > > - Show quoted text - Problem fixed. It appeard that when the serpentine belt broke off and pulled the wires from the crank sensor, it also broke the wires internally in the harness. Once he physically replaced part of the harness, the problem is now fixed. Thanks for everyones help Chas >> >Update: I talked to my buddy and he's telling me he check for current >> >to the coil, and it has current to the coil when the ignition switch [quoted text clipped - 5 lines] >I was just told a new ignition switch from Ford was put on. Problem >still exists.. Anything else?? It was put on very incorrectly if the problem described above exists. It's entirely possible the original problem is different and your buddy created a new one by putting the new ignition switch on. --scott Signature"C'est un Nagra. C'est suisse, et tres, tres precis." These cars have known ignition switch problems... SignatureCraigFL http://www.automotiveforums.com |
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