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Car starts cold but not hot

Tiny
JROY
  • MEMBER
  • 1993 TOYOTA COROLLA
  • 150,000 MILES
I've tried to figure out why the car starts in that. A.M. But once run won't restart for at least ten hour I did I a fully rune up gapped the plugs even though they were supposed pregapped I changed the throttle control sensor and now don't really know what to try next please help
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Friday, September 27th, 2013 AT 10:55 AM

20 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
When it won't start what don't you have spark or fuel pressure?
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Friday, September 27th, 2013 AT 11:24 AM
Tiny
JROY
  • MEMBER
  • 14 POSTS
I know I have spark and pretty sure I got fuel pressure because after turning for a few I can smell gas
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Friday, September 27th, 2013 AT 5:04 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
When it won't start have you tried holding the gas pedal all the way to the floor while cranking to see if it starts that way?
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Friday, September 27th, 2013 AT 5:28 PM
Tiny
JROY
  • MEMBER
  • 14 POSTS
Sometimes that works but I've got it starting not 100percent of the time and my mom drives at night home from work. I'm thinking o2 or risk I think I'm going to have Toyota diagnose it and I'll fix it it seems to be running rich to
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Tuesday, October 1st, 2013 AT 5:08 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Alright keep me. Posted on what you find.
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Thursday, October 3rd, 2013 AT 8:04 AM
Tiny
JROY
  • MEMBER
  • 14 POSTS
The dealer told me because I had sometimes I don't have check engine light it will come on here and there most not that they want to leave it over night which is tough today and it could be two hours @$103. Lo. I'm thinking it's something that sticks? Or maybe the catalytic converter is choking car to let it still start but hot it chokes it and won't. Restart hot after not getting enough air?
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Wednesday, October 9th, 2013 AT 2:49 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The cat is easy to rule out have a back pressure test done at a exhaust shop. It would be to be really plugged to not even start.
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Wednesday, October 9th, 2013 AT 2:56 PM
Tiny
JROY
  • MEMBER
  • 14 POSTS
True any other thought how. About the ignitionnn or other ide
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Wednesday, October 9th, 2013 AT 3:12 PM
Tiny
JROY
  • MEMBER
  • 14 POSTS
True the ignition is on the distributor I can get one for $20 used but that's why it's probably there my luck
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Wednesday, October 9th, 2013 AT 3:30 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
You said you have spark when it won't start?If you do sounds like the ignition is working. HAs anyone ever checked for codes?
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Wednesday, October 9th, 2013 AT 5:11 PM
Tiny
JROY
  • MEMBER
  • 14 POSTS
It has obd1 only one place around me still has it but the check engine light very rarely and then shuts it being so old it doesn't store the could
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Thursday, October 10th, 2013 AT 3:16 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
When the light comes on you need to get the codes read right away it give some clues what's going on.
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Thursday, October 10th, 2013 AT 9:42 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Has anyone checked the coolant temp sensor yet?
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Thursday, October 10th, 2013 AT 9:45 AM
Tiny
JROY
  • MEMBER
  • 14 POSTS
Do you know whether it. Is? I
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Friday, October 11th, 2013 AT 6:20 AM
Tiny
JROY
  • MEMBER
  • 14 POSTS
Yes it was hot and had spark that's when I tried and obd1doesn't store codes
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Friday, October 11th, 2013 AT 6:25 AM
Tiny
JROY
  • MEMBER
  • 14 POSTS
I'll find out where the. Temp sensor is and check it out
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Friday, October 11th, 2013 AT 6:31 AM
Tiny
JROY
  • MEMBER
  • 14 POSTS
Driving me crazy because sometime s it will start. Hot it crazy
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Friday, October 11th, 2013 AT 6:34 AM
Tiny
JROY
  • MEMBER
  • 14 POSTS
This things driven me nuts it starts hot sometime sometimes not
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Friday, October 11th, 2013 AT 6:36 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Its right on the thermostat housing.
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Friday, October 11th, 2013 AT 8:13 AM
Tiny
JROY
  • MEMBER
  • 14 POSTS
Ok thanks Saturn tech I was thinking the thermostat was stuck open but I would still start I'll check out the sensor
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Saturday, October 12th, 2013 AT 5:04 AM

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