...ignition switch to the ASD relay; when the key is first turned on the PCM provides a ground to the ASD relay to energize it, then the ASD relay passes 12 volts to the coil primary side. If no crank ...
...bad plug wire or something else in the ignition system is arcing to ground. A quick way to verify this is to run the truck in Park at idle. Next, spray the ignition wires with Windex. You'll notice ...
Bad ignition coils on fords are all too common O2 Sensors will slow down as far as switching times go & I suggest you replavce the fromt or upstream ones before the converters at 100,000 miles You
...ignition related so it is worth checking spark plugs and spark power and quality. A bad misfire is likely to switch on a warning light and in that case a scanner could provide more information. A ...
...Bad ignition coils can cause all kinds of other codes to come up because they can "spike" the computer circuits.Incidently, there happens to be a Technical Service Bulletin (Bulletin Number 28F2/J1) ...
Question about Cars & Trucks
Bad Fuel Injectors can cause a Misfire Condition. ... the ignition system on the 2.3L Ford Mustang or Ranger consists of 2 ignition coil packs, ... 2002 ranger misfire rough idle - Discussion on Topix
...bad spark plug in 50 years of driving Does that answer your question? You did not diagnose your problem, which was a misfire. Do you have codes PO301 thru PO306? Ignition Coils cause misfires Have to ...
Ignition coil 1 circuit poor electrical connection - Insufficient cylinder 1 compression - Incorrect fuel pressure - Intake air leak PO300 is just telling you that you had a misfire. My guess would be
Question about Jeep Cherokee
...bad ignition coils bad spark plugs wires or spark plugs, spark plugs probably getting oil on them due to leaking oil leaking by valve cover circular seals around spark plugs or you have a intake ...
bad ignition coil(s), defective distributor cap and rotor, burned valves, broken pistons or piston rings, faulty injectors, low fuel pressure, leaking fuel pressure regulator, overheating engine
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