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Why would a fuel pump run continously when the key is in the on position does this indicate a bad pump relay or fuel line?
An electric fuel pump is supposed to run as long as the circuit is on, which putting the key on does. In fact, the fuel system operates under some pressure and in order to start when you turn the key to start position, the fuel pump must go on and begin the flow/pressure up before the engine actually needs the gas. Frequently in especially older cars or those with some part of the fuel system failing (especially when it leaks/loses pressure quickly), it is common that the key must be turned to on for a longer moment so the system can purge & establish itself before starting.
What else can I help you with?
2000 LS1 The windshield blades continously run You can control the speed but can't turn them off Is this a bad motor or in the controls?
That would be controls or possibly the relay is stuck closed (on).
What are some lab safety signs?
One would indicate an emergency eyewash. Another would indicate a corrosion hazard. And another would indicate the position of fire extinguishers, or of the First Aid.
What would cause starter to stay lockd in on position?
The starter relay (solenoid) points are melted together.
What would cause a bad main relay to trigger the check engine light on a 94 Accord EX?
The main relay will give an check engine light to indicate that the electrical system is bad.
Why was the civil war ever fought?
to determine whether the south would continously own slaves
Why would a engine fan keep blowing after the engine is stopped?
Normal operation to cool engine Relay stuck in closed position?
How do you know when the throttle position sensor is bad?
You would have a "check engine" light illuminated and the code(s) set would indicate a bad TPS.
What would a horizontal line position time graph mean?
The obect was stationary during the time period indicated by the end points of the horizontal section.
Can the position - time graph have a negative slope?
Yes, a position-time graph can have a negative slope. This would indicate that the object is moving in the negative direction with respect to the chosen reference point.
What would cause a radiator cooling fan not to shut off?
A/C or defroster on Relay stuck in closed position Temperature sensor not sensing proper temperature
Why would a relay cause the air conditioner to not work in your 1999 escort zx2?
On vehicles that are equipped with a RELAY for the A/C system. You will find that if you have a faulty RELAY that the A/C sytem will not work. This is because the relay acts as a switch to supply power to the sytem when the switch is engaged. When one goes bad it could be broked, burt or in most cases stuck in the closed position.
On a 1992 Volvo 240 the parking lights won't turn off. Light switch position makes no difference. In fact unplugging the light switch makes no difference. Any suggestions?
I would assume that there is a relay for the parking lights. It sounds like the relay has frozen with the contacts closed. Replacing this relay should solve the problem.
