what would cause the motor to stay running when the key is in off postion?

Asked by Nov 06, 2014 at 08:24 PM about the 1995 Toyota T100 2 Dr SR5 4WD Extended Cab SB

Question type: Maintenance & Repair

the key will start the truck but when I turn It off the motor stays running but electrical stuff turns off

2 Answers

64,445

Bad igintion switch.

1 of 1 people found this helpful.
1,495

TST could be correct. But first I would suspect some form of "dieseling" . 1-Could be carbon build up on the cylinder heads-Could be from too much stop an go driving and/or bad fuel--try a 20-30 mile drive on the highway to burn off any carbon, also try a fuel additive to help clean your injectors. 2-A vacuum leak in some hoses or broken/ missing bolt on the intake manifold. This may cause a running rich condition causing the engine to run HOT,leading to carbon build up --listen and look for any cracked, loose vacuum hoses;correct any found.

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