Ford Falcon EF 1995 intermittent no start, crank no fire.
Intermittent loss of neg injection trigger and neg trig from PCM to Coil pack. under crank mainly when cold below 10c When problem occurs, there is no test cycle to Air/Cond Clutch. ( Normally PCM cycles Clutch as part of a post ign on test) PCM is a ECCV 104 pin type Any assistance would be appreciated DTC=18,20,5,15 ? Thank you Garry Reid email@example.com
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Check crank position sensor or cam position sensor if applicable. Is it actually sparking? If so either its not being told when to fire or there is something else telling it there's no fuel etc. Check the relay box for fuel relay etc.
On my falcon the same thing happened changed dizzy, coil even got new spark plugs what it turned out to be was auxiliary shaft that turns the dizzy or the dizzy module if you got coil packs. You can't see down the dizzy hole because its under the inlet manifold so take photo with your phone and you might see little bits of metal The auxiliary shaft teeth on the dizzy end where worn out and folding over so it can't give the proper spark at right time so went to wreckers 20 bucks for another. ford says it can't happen but I know quite a few engines with same problem
Engine Code 214 is Cylinder Identification Circuit failure. Since it is intermittent check to connector to the camshaft position sensor and make sure its a tight connection and there's no corrosion. If that doesn't fix it the CID may be bad. The Cylinder ID (CID) sensor provides crankshaft position information to the Powertrain Control Module (PCM). The PCM uses this information during engine start up to begin sequential fuel injection at the correct time. The CID is located in the back of the cylinder head on the distributor side of the engine.
i would have to suspect a crank sensor and-or connection there.
i see you checked it with an "o-scope" but i would be willing to
bet you dont have injector pulse either. without the crank signal, there is no rpm input, the pcm doesnt even know its cranking!
i have replaced many crank sensors with this intermitent concern....