COLD START PROBLEMS

  • Tiny
  • leahs
  • Toyota 4Runner

Hello: I have a 92 toyota 4runner, 154,721km automatic V6. When I start the truck in the morning, it stumbles for a second then dies, my trick is to wait about 10 to 20 seconds after first attempt then start it again, usually stumbles for a second then seems to smooth out and run fine. It only does this after sitting for more than, say 5-6 hours, once it starts it runs great. I've taken it to two shops who had it connected to their diagnostic machine, both said nothing showed up and I would have to go direct to Toyota. One mechanic did mention a " cold start sensor?&Quot; I did have a head job done on it a couple months ago and I replaced the fuel pump.
Please help, noone seems to know what it is.

Wednesday, March 21st, 2007 AT 11:56 AM

1 Answer

  • Tiny
  • rasmataz
  • Member

Could be the cold start injector-try measuring the resistances of the coolant temperature sensor. How's the fuel filter?

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Wednesday, March 21st, 2007 AT 9:07 PM

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