Author
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Topic: Car dies on start up
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j0eyabs
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Member # 1026
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posted
I have a 90 5.0 with an AOD transmission. Lately when i start my car it will usually die right away unless i rev the engine a little. Once I start moving the car is fine it only dies when i first start it up for some reason. does anyone know what it could be thanks
Posts: 767 | From: California | Registered: Mar 2002
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JoeT
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Member # 298
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posted
battery ground? (verify the condition of that zero gauge battery cable)
Posts: 6785 | From: San Jose | Registered: Jun 2001
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j0eyabs
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Member # 1026
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posted
so the battery ground could cause the car engine to doe like that cause my stereo still plays when it dies.
Posts: 767 | From: California | Registered: Mar 2002
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JoeT
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Member # 298
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posted
the draw of your motor is much greater than the stereo. it could still be the ground, aka, a flaky ground.
Posts: 6785 | From: San Jose | Registered: Jun 2001
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j0eyabs
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Member # 1026
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posted
ok ill try that thanks
Posts: 767 | From: California | Registered: Mar 2002
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j0eyabs
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Member # 1026
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posted
ok ill do that, if its the MAF i guess ill just get a C&L 76MM, i was gonna but it later but this may be the exucse i need to get it sooner thanks for your help
Posts: 767 | From: California | Registered: Mar 2002
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j0eyabs
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Member # 1026
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posted
i left the battery unplugged for a day and when it was re connected it still does the same thing
Posts: 767 | From: California | Registered: Mar 2002
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j0eyabs
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Member # 1026
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posted
i replaced my tps and battery ground and car still does same thing, how do i reset the tps back to .8 volts
Posts: 767 | From: California | Registered: Mar 2002
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Stimson
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Member # 51
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posted
A bad ground or bad TPS really won't cause this problem. Scroll up, more suggestions were given that you should look into.
Posts: 2373 | Registered: Jun 2000
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j0eyabs
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Member # 1026
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posted
how do i set the TPS sensor on a 5.0
Posts: 767 | From: California | Registered: Mar 2002
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Stimson
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Member # 51
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posted
Put the key in the ON position and measure the voltage across the green and black wires on the TPS. Aim for something in the 0.8X volt range.
Posts: 2373 | Registered: Jun 2000
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j0eyabs
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Member # 1026
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posted
i still dont get how u adjust it
Posts: 767 | From: California | Registered: Mar 2002
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j0eyabs
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Member # 1026
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posted
no that aint it. i start my car it dies, then i crank it again it dies, then i crank it a third time and car stays on and runs perfect. only does this dying thing on start up once car is going its fine and wont do it again till i turn off the car and try and restart it. thanks for your input though
Posts: 767 | From: California | Registered: Mar 2002
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66 InjectedCobra
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Member # 819
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posted
My car does the same exact shit. I have been trying to fix it for months. I still need to get a new coolant temp sensor. That could be the problem. I did all the free shit that was explained to you and nothing changed. My best advice from a ford mechanic was to; go to ford and purchase a spacer that goes between the air bypass valve. This spacer has 2 screws that allow air in without the bypass valve having to open a ton. You set these screws to your best liking for idle smoothness. This part comes with 2 gaskets and 2 longer bolts. This part was never put on a car from the factory but you can buy it from Ford dealers. Ford makes them cause there is a glitch in the ford 5.0 shit some times"over time". What happens is the throttle body gets full of shit and dirt, then causes idle problems like this. This is fords lil way of fixing a poor idle circuit design. Hope that helps you out alil more. I love helping out other ford fans...Mike
-------------------- Just An Old Slow Ford!
http://profile.myspace.com/index.cfm?fuseaction=user.viewprofile&friendid=6389544
Posts: 2857 | From: bay area | Registered: Jan 2002
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j0eyabs
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Member # 1026
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posted
well i bought a code scanner on ebay yester day for only 25 dollars so hopefully when i get it this week it will solve my problems. thanks all
Posts: 767 | From: California | Registered: Mar 2002
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j0eyabs
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Member # 1026
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posted
thanks ill try that also
Posts: 767 | From: California | Registered: Mar 2002
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j0eyabs
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Member # 1026
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posted
thanks everyone for your help, seems the problem was a dirty idle bypass sensor thanks
Posts: 767 | From: California | Registered: Mar 2002
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j0eyabs
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Member # 1026
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posted
nevermind it still dies
Posts: 767 | From: California | Registered: Mar 2002
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j0eyabs
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Member # 1026
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posted
nevermind it still dies
Posts: 767 | From: California | Registered: Mar 2002
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