Truck will start in the Morning for a second then stall?

DODGESPORT2010

MEMBER
2000 DODGE RAM
V8
4WD
AUTOMATIC
160,000 MILES

Okay my Truck will start in the morning for a second then die. Then I have to hold the gas an brake to keep it idle but when it warms up sometime it will stay idle without me haveing to hold the gas an brake. Some People tell me its a electiral problem I dont know but when I come to stop's when it wants to stay idle my "check Gauges" light comes on an then the needle for my oil pressure drops to 0 then when I hit the gas it goes back up I dont know why it wont stay alive please help thank you.

Saturday, December 5th, 2009 AT 1:47 AM

1 Reply

CARADIODOC

MECHANIC
34,331 POSTS

Was the battery recently disconnected or run dead? If so, you must relearn minimum throttle. Drive at highway speed, engine warmed up, then coast for at least 7 seconds without touching the brake or gas pedals.

If there's no change, a possible suspect is the automatic idle speed motor, (AIS motor), or the passage it sits in is blocked with carbon.

When you start the engine, the idle speed should go up to 1500rpm without you touching the gas pedal, then drop back down to around 800rpm. If it does that, the AIS motor is working and the passage is not blocked. This "idle flare-up" might not occur if minimum throttle needs to be relearned.

Caradiodoc

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Monday, December 7th, 2009 AT 7:18 AM