What does idle signal mean on fuel pump?

What does idle signal mean on fuel pump?

Throttle pot/airflow meter signal conflict. Looks for closed throttle signal while AF signal indicates high load with speed above 1000 r.p.m. Defaults to ignore closed throttle signal therefor idle functions are disabled. Fuel pump drive circuit. Checks for short or open circuit to pump relay.

What are the fault codes for non catalyst cars?

Non USA catalyst cars have a restricted fault code system which only displays once until the next ignition on/off event. Codes 11, 12, 14, 16, 17, 18, 19, 23, 26, 44 & 68 are the only codes which will activate a warning display. Non catalyst cars. As above but codes 23, 26 & 44 are inactive.

When to ignore throttle pot / airflow meter signal?

Throttle pot/airflow meter signal conflict. Looks for throttle pot signal above 2.25 volts while AF signal indicates light load. Defaults to ignore throttle pot signal above 1.5 volts therefore open loop operation with full load enrichment is disabled. Throttle pot/airflow meter signal conflict.

Where do I find the fault code on my XJ-S?

XJ-S will automatically display code 5 seconds after ignition is switched on. Fault code number should be seen on VCM or trip computer display. Fault codes can only be cleared by use of dealer JDS, PDU or similar (also to display fault codes) or by grounding the lead provided for the purpose from the ECU (see below).

What are the symptoms of a bad fuel gauge sender?

Usually a bad or failing fuel gauge sender will produce a few symptoms that can alert the driver of a potential issue. 1. Fuel gauge behaves erratically One of the first symptoms of a problem with the fuel gauge sender is a fuel gauge that behaves erratically.

How can you tell if your fuel pump is failing?

If you ignore all of the other warning signs of a failing fuel pump, it will eventually fail completely. Once your fuel pump has finally given up the ghost, no fuel will reach your engine. You may hear your spark plugs firing when you try to start your car, but without fuel, the engine won’t be able to turn over.

What causes an error code on a Yale forklift?

A. HIGH EXTERNAL MAGNETIC FIELDS B. DIRECTIONAL LEVER MECHANISM/MAGNETIC FAILURE C. DISPLAY SWITCH CLUSTER (DSC) FAILURE A. PROBLEMS THAT MAY CAUSE LEAN ENGINE OPERATION B. PROBLEMS THAT MAY CAUSE RICH ENGINE OPERATION C. SENSOR FAILURE D. FUNCTIONAL FAILURE IN CONTROLLER

What is the fault code for the EVAP system?

Some of the common fault codes associated with the EVAP system are as follows: P0440 code means that a leak has been detected or the vapor pressure sensor in the fuel tank has malfunctioned. One indication might be a faint odor of gasoline originating from the gas tank.

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