What does it mean when engine cranks are abnormal?
Upon initial cranking, the status for engine speed may indicate that the engine speed signal is abnormal. This message will be replaced with an engine speed once the ECM is able to calculate a speed from the signal. Result: The timing sensor is operating properly. Proceed to Test Step 8.
Why is my car not starting and not cranking?
The voltage regulator could be allowing the alternator to supply too much or too little amperage… Car lost functionality of dome light, retractible antenna, hazard lights, and clock; power steering also seems to be nonexistent. Hello.
When to refer to troubleshooting as intermittent power cutout?
Note: If the symptom is intermittent and the symptom cannot be repeated, refer to Troubleshooting, “Power Is Intermittently Low or Power Cutout Is Intermittent”. If the symptom is consistent and the symptom can be repeated, continue with this procedure.
What to do if your engine wont start?
Note: If the engine will not start and Cat ET will not communicate with the ECM, the problem is most likely with the electrical power supply to the ECM. Refer to Troubleshooting, “Electrical Power Supply – Test”. Note: The procedures have been listed in order of probability.
What causes no crank no start?
With a no crank/no start condition, the first thing to check is the battery. The battery or battery problems are the number-one cause of this type of no-start condition.
What would make your Car Crank but not start?
When your engine cranks but won’t start or run, it could mean your engine is having trouble producing a spark, getting fuel, or creating compression. The most common causes are in the ignition (for example, a bad ignition coil) or fuel system (for example, a clogged fuel filter).
What are intermittent ignition problems?
- No Furnace Power: Check your breaker box for tripped breakers.
- Incorrect Thermostat Settings: The wrong thermostat setting is a common source of faulty ignitions.
- and loose internal furnace connections can interrupt signals.
Why does it crank but not start?
In layman’s terms, a No Start Condition means that your vehicle’s starter motor is cranking the engine but the engine is not starting. This condition is usually due a failed fuel pump, a failed ignition coil, a failed ignition control module, a failed crank sensor, etc… that lets the engine crank (turn over) but does not let it start.