Starts and Dies

RDR61 · July 3rd, 2007, 11:28 PM

I have a 1990 5.0 5spd mustang that turns over and starts then dies immediately, every time I turn it over, any help would be appreciated !

88dragstang · July 3rd, 2007, 11:34 PM

Could be several things. Make sure your mass air sensor isnt dirty. Whatever you do, dont touch it! Spray it with brake cleaner and let it air dry. Could be a bad ignition switch under the column which is pretty inexpensive and easy to change. Could be a dirty fuel filter. Does it have the check engine light on?

RDR61 · July 3rd, 2007, 11:41 PM

mass air is clean, has new ignition switch, fuel filter is fairly new as well, problem just started this afternoon, car ran fine this morning.

neverfastenough1 · July 3rd, 2007, 11:56 PM

Here's a list of causes (not saying its a complete list, but its the book list). Ignition system-Electrical connectors, secondary wires, coil,ignition module,rotor alignment, cap, stator, fouled plugs, ignition switch, ballast resistor; EGR valve; Fuel delivery-filter, pump, contamination, fuel lines, sender filter, idle air flow, inertia switch, anti theft, injectors, fuel pressure regulator; Exhaust restricted; EEC-processor and calibration assy, quick test; basic engine-camshaft timing, valve train. Man there really is a lot it could be. I'd start with the quick test, ie. check for codes.

88dragstang · July 4th, 2007, 10:11 PM

LMAO!!! If you are gonna check all of that, dont forget the muffler bearings and the blinker fluid. Oh, and the partridge in a peartree. Hehehe

July 3rd, 2007, 11:28 PM	#1
RDR61 Newbie Join Date: Jul 2007 Posts: 2	Starts and Dies I have a 1990 5.0 5spd mustang that turns over and starts then dies immediately, every time I turn it over, any help would be appreciated !

July 3rd, 2007, 11:56 PM	#4
neverfastenough1 Hardcore Enthusiast 2002 Mustang GT Join Date: May 2007 Location: Savannah, Ga Posts: 1,340	Here's a list of causes (not saying its a complete list, but its the book list). Ignition system-Electrical connectors, secondary wires, coil,ignition module,rotor alignment, cap, stator, fouled plugs, ignition switch, ballast resistor; EGR valve; Fuel delivery-filter, pump, contamination, fuel lines, sender filter, idle air flow, inertia switch, anti theft, injectors, fuel pressure regulator; Exhaust restricted; EEC-processor and calibration assy, quick test; basic engine-camshaft timing, valve train. Man there really is a lot it could be. I'd start with the quick test, ie. check for codes. __________________ 2007 Explorer Sport Trac, 292 HP, Stock 2002 Mustang GT

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July 3rd, 2007, 11:34 PM	#2
88dragstang Regular Join Date: Apr 2007 Posts: 72	Could be several things. Make sure your mass air sensor isnt dirty. Whatever you do, dont touch it! Spray it with brake cleaner and let it air dry. Could be a bad ignition switch under the column which is pretty inexpensive and easy to change. Could be a dirty fuel filter. Does it have the check engine light on?

July 3rd, 2007, 11:41 PM	#3
RDR61 Newbie Join Date: Jul 2007 Posts: 2	mass air is clean, has new ignition switch, fuel filter is fairly new as well, problem just started this afternoon, car ran fine this morning.

July 4th, 2007, 10:11 PM	#5
88dragstang Regular Join Date: Apr 2007 Posts: 72	LMAO!!! If you are gonna check all of that, dont forget the muffler bearings and the blinker fluid. Oh, and the partridge in a peartree. Hehehe

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