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I changed a motor in a 2004 durango 5.7 hemi. motor turns over but no start. if I hook yhe fuel pump up direct to battery pump runs an the motor . what am I missing ?
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Something to think about. You should never let a gas tank run out or low as this is where any dirt settles at the bottom of the tank. I have seen a problem like yours and the fuel filter was plugged because of dirt in the bottom of the tank. Should never let a tank get lower than a quarter of a tank.
Sounds like head gasket has gone. Hot gas from the fuel combustion is being forced through holes in the head gasket into the cooling system, causing hot bubbles in the coolant, sniff the bubbles blowing out of the reservoir, does it smell like fuel?
"No Bus" means something happened between the body computer and the engine computer. They are not connected to each other. Usually a fuse, one of the computers, or the wiring harness in between.
I would start by checking the basics which are checking for spark and fuel. If you have a gauge, check to see if you have fuel pressure when the key is turned on. If you have fuel pressure, check for spark. Chrysler products are known for the crank shaft sensor to go bad and cause a no start. Also, if driving for a certain period with the pedal depressed at the same speed, the throttle position sensor will stay at that position if stuck and will cause either and driveability problem or stalling. You may wanna look into replacing or at least checking that. Good luck.
P0301-P0308....2T catalyst........2004-05 Ram...Cylinder 1-8 Misfire Detected Conditions: Any time engine is running and the adaptive numerator has been successfully updated. When more than 1.5% (300M, Magnum), 2% (Durango, Ram), 2.5% (Durango LEV, Ram LEV), misfire rate is measured during 2 trips, or with 10-30% misfire during 1 trip. 3 good trips required to turn off MIL. Possible Causes: ASD relay output 2 circuit fault Injector control 1 circuit fault Coil control 1 circuit fault Ignition wiring, spark plug, or ignition coil fault Fuel pump inlet strainer plugged Restricted fuel supply line Fuel pump module fault Fuel pressure leakdown fault Fuel injector is damaged or has failed Engine mechanical problems exist PCM has failed. Hope this helps you. Thank You for using fixya.If you like this solution please rate it....Thank You, iluv2fish....Ray
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