Does not run when cold
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New User
Joined: Sep 2009
Posts: 3
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Does not run when cold
i have a 92 f-150 with a 5.0 and when i start it in the morning it starts normally for about 3 seconds then the idle drops and if i don't give it some gas it will die, after letting it run for about a minute it will run normally but the check engine light comes on but if i give it some gas the light goes off, if i stop giving it gas the light will come back on. After i drive it for about 15 minutes it stops and runs fine.
The first thing they always say is check the codes.My `90 had some of those symptoms and the altenator was not putting out enough juice.
Junior User
Joined: Dec 2006
Posts: 62
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Had a similar issue on my '93 with the 5.8 last winter. New TPS fixed the issue. Do yourself a favor and get a Motorcraft TPS, found mine on ebay for about $35 delivered.
