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1986 Toyota MR2 starting problems

Tiny
DBIRCH718
  • MEMBER
  • 1986 TOYOTA MR2
  • 4 CYL
  • 2WD
  • MANUAL
  • 150,000 MILES
When I try to start my car it will turn over but won't start. I pour gas into this rubber tube thing that is connected to the fuel rail I believe and it fires right up. Can you please tell me what the problem is. Why will it start when I manually pour gas in but not on its own. And yes I have a half tank. I replaced the cold start valve but still nothing. Please help
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Wednesday, April 2nd, 2008 AT 5:28 PM

3 Replies

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Does it continue to run once you do that?

When you turn it off but engine is still warm will it start right back up?
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Wednesday, April 2nd, 2008 AT 7:25 PM
Tiny
DBIRCH718
  • MEMBER
  • 2 POSTS
Yeah it runs after it starts. After it warms up it starts right up, but it takes awhile. I replaced a vaccum hose but it still won't start right away. Once I get it started it also idles a little sluggish. Rpm going up then down, up, down. I turn the auxillary air valve (next to TPS) to close and it runs smooth.
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Friday, April 4th, 2008 AT 4:43 PM
Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
You may have a restricted fuel filter, or a bad fuel pressure regulator or leaking injectors. Id check those first.
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Friday, April 4th, 2008 AT 7:31 PM

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