Question about 1992 Dodge Stealth
Does this model have a relay that controls the fuel pump. when the ignition is turned on you can here the fuel pump come on but it will not start. i was told it was the relay to the fuel pump
Haven't come across any petrol (gasoline) fuel injected vehicle that doesn't have a fuel pump relay......if you can hear the fuel pump running, the relay must be good....If the vehicle doesn't want to start, its more likely that you have some other problem.... Check to find out if you have ignition....Remember it's high voltage, so take care.... Remove one of the plug leads and with an insulated screw driver inserted where the plug fits, hold the metal part that protrudes close to a metal part that's grounded.....Somewhere on top of the engine.....Check to see if there's a spark....with a system in good condition, the spark should easily jump 5mm..... If you have spark, then check the fuel pump pressure....This needs special equipment, so it's off to the repair shop....
Hope this info is a help?
Posted on Sep 06, 2008
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Posted on Jan 02, 2017
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The power supplied to the fuel pump, ignition coil, fuel injectors,
and parts of the power module is controlled by the logic module through
the Automatic Shutdown Relay (ASD); the idea is to shut off fuel
pressure and the ignition systems when the key is turned off to prevent
fires, dieseling, and other problems.
The ASD relay is closed (allowing power to flow through
it) when the ignition is first turned on. If the signal from the
ignition reference is lost while the engine is running, or if the turbo
boost pressure reaches and exceeds the over boost cut-off point, the
logic module cuts power to the ASD, which in turn removes power from the
fuel pump, ignition coil, injectors and those parts of the power
module. This causes the engine to shut down.
Failure of the automatic shutdown relay is often shown as inexplicable stalling or refusal to start.
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