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Author
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Topic: 93 mustang hard to start
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93 5.0
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Member # 12418
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posted
 
 
I have 93 mustang and in the pass month my is having a hard time start In the morning I've put new plugs wires and a new dizzy it will only start if I pump the gas peddle wile trying to starts and have to keep my foot in it to keep it running till it warms up any ideas ??!
Posts: 230 | From: 209 | Registered: Sep 2012
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93mustang50
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Member # 6642
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posted
How does it run after it warms up? Check for vacuum leaks.
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93GT 306 H/C/I supercharged
06 Cummins 6spd
90 GT 5sdp daily driver HCI
16 Hellcat Charger
91GT aod(sold)
88GT5spd(totaled)
Posts: 213 | From: Vacaville | Registered: Mar 2006
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93 5.0
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Member # 12418
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posted
It runs fine has a random miss from time to time and seem like loss of power as well
Posts: 230 | From: 209 | Registered: Sep 2012
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kuku93
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Member # 14014
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Just like my car. Ever since I bought it. Cold start I'd have to hold the gas to keep it running but it started right up. My issue is the Ecu was probably bad. Your issue it could be your starter or a bad battery
Posts: 154 | Registered: Apr 2015
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93 5.0
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Member # 12418
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posted
Both starter and battery are new also I have no codes from the ecu so I can't look it up
Posts: 230 | From: 209 | Registered: Sep 2012
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Marks93
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Member # 11130
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posted
Check the fuel system.....fuel pressure, filter, fuel pump.
Posts: 824 | From: Earth | Registered: Jul 2011
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93 5.0
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Member # 12418
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I got fuel and I swap out the tps and it seem to start up but I'll see I'm the morning when it's cold out side
Posts: 230 | From: 209 | Registered: Sep 2012
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rollininmy50
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Member # 9067
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Define I got fuel? On a fuel injected car you should not have to pump the gas or hold it to the floor. Are the injectors factory, or too big? I remember having to hold the pedal to the floor in a carb'd car if flooded. Air fuel spark, or ECU, did you calibrate the tps properly?
[ 2016-02-14, 09:29 AM: Message edited by: rollininmy50 ]
Posts: 439 | From: sactown | Registered: Apr 2009
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93 5.0
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Member # 12418
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posted
I Chang out the tps and it starts up but now I have a random miss fire and seem to have some water in the PVC valve at the bak of the block
Posts: 230 | From: 209 | Registered: Sep 2012
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Marks93
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Member # 11130
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Track down where the water/coolant is coming from. Small hose on top of the intake going to the throttle body, heater core lines, bad lower intake gasket?
Posts: 824 | From: Earth | Registered: Jul 2011
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93 5.0
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Member # 12418
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posted
I'm not leaking no coolant it's full and no water in the oil so idk and I look in side the charcoal can and it look clog up could that be ? I put a now coil on today and will drive it tomorrow
Posts: 230 | From: 209 | Registered: Sep 2012
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