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95 Celica won't start when the outside temp is over 65F
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Guest
Anonymous Poster
cndonnan@gmail.com
Feb 1, 2009, 6:24 AM
Post #1 of 13
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95 Celica won't start when the outside temp is over 65F
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1995
Toyota
Celica
2.0
112,000 Miles
Location: Orlando, Florida
My 95' Celica will not start if the outside temperature is over 65 degrees. The starter will rev but the engine never kicks to life.
If the vehicle starts there are no noticeable problems during normal operation.
I have a haynes manual and I have a little experience in automotive repair (I replaced the timing belt and water pump on a different car)
Thanks in advance for your assistance!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 1, 2009, 7:35 AM
Post #2 of 13
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Re: 95 Celica won't start when the outside temp is over 65F
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?? Does it behave like it's seriously flooding? Lack of fuel or spark? If like flooded try holding gas pedal to floor and it may start - don't over rev it of course,
T
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Guest
Anonymous Poster
Feb 1, 2009, 11:57 AM
Post #3 of 13
(3153 views)
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Re: 95 Celica won't start when the outside temp is over 65F
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I have tried pumping the gas pedal. It doesn't seem to make a difference.
My own ( uneducated ) guess is that it has something to do with the fuel system.
I should also mention that this situation started out about a month ago. It would take a few cranks before the car would turnover, Then over a month or so the car would take more and more cranks until I would have to hold the ignition key in the start position 5-8 seconds before the car would actually turnover.
Of course I should've taken care of it then, but alas I'm stupid and procrastinated until it wouldn't start at all.
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Loren Champlain Sr
Veteran
/ Moderator
Feb 1, 2009, 12:05 PM
Post #4 of 13
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Re: 95 Celica won't start when the outside temp is over 65F
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As Tom mentioned, it sounds like an over-fueling condition. When the engine is cold, it can 'handle' the extra fuel, but not when the engine is warm. Pumping the throttle does nothing on fuel injected vehicles. When you open the throttle, you are allowing more air, only. By holding the throttle wide open, it does two things: First, shuts off fuel to the injectors, and secondly,allows a lot of air, which will help with a flooded system. Unless you hold the throttle to the floor, the injectors are still pumping fuel into the already flooded engine. You can pull the spark plugs to see if they are wet with fuel when the problem occurs to verify that is what is happening. Of course, don't overlook something as simple as a plugged air filter which will cause a rich condition (lack of air).
Loren
SW Washington
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 1, 2009, 12:06 PM
Post #5 of 13
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Re: 95 Celica won't start when the outside temp is over 65F
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Ok: Pumping pedal does about nothing in fuel injected cars. Holding to floor shut extra fuel off - if flooded that would help clear it.
It's interesting that this is picking on the higher temp. There is a sensor for the engine's temp that tells computer to add more fuel when cold. If the engine always thought it was cold it would be getting too much fuel. If it didn't like cold I'd say it wasn't telling it to add extra fuel for cold starts. It's backwards to most issues of the type.
A code reading could only help and take a fuel pressure reading too especially if you can get that when you expect it to act up,
T
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Tom Greenleaf
Ultimate Carjunky
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Feb 1, 2009, 6:24 PM
Post #7 of 13
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Re: 95 Celica won't start when the outside temp is over 65F
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Loren: Guess we hit in same nano second!
Madson: Parts outlets are not necessarily employing trained auto repair techs - just know that and it's hit or miss with any as to what or how much a sales person would or should know at parts outlets! Real techs may be employed there but I don't know of any parts outlets here that advertise that their suggestions are the answer. For that matter not here either as we are not there.
You said the starter cranks the engine. Exactly you said "revs" the engine so it really can't be the starter itself! Pretty much the starter is there to turn the engine only however in the course of asking it to electricity is made available to excite fuel pump and ignition to enable engine to run.
While cranking the fuel and ignition can and will get different signals on what to do and change when engine RPMs indicate to car's computer that it is running so there is a link but not usually at the starter motor itself. Check for messed up wires there anyhow -- less likely to be a corrosion issue in Florida!
General NO START issues: It usually breaks down to a fuel or spark issue. Check for both and in this case we are suspicious of too much fuel which may NOT be the case.
There are safety things to shut down and engine in certain conditions too as in a collision or when no RPMs are noted to stop fuel supply and it could be getting wrong info and shutting down or may need something reset - dunno on my part for that and this car.
Basics - Spark - yes or no. Fuel, available or not available or too much. If lacking fuel, priming it might fire up for a second or it may stay running. All info important to pin diagnosis on this and may take sending it out and leave it so it can be witnessed,
T
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Madson
Novice
Feb 3, 2009, 9:31 AM
Post #8 of 13
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Re: 95 Celica won't start when the outside temp is over 65F
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I figured the starter wasn't the real problem. Sorry for using the incorrect term. I guess I should've said "cranks"?
Anyhow, should I replace the spark plugs and the spark plug wires? I'm pretty sure that the wires are the originals.
There are no odd lights lighting up on the dash that would indicate a computer problem. It's supposed to get cold over the next couple of days so
I should be able to drive it to s shop if I really need to.
Also, when you said hold the throttle wide open did you mean I should floor the pedal?
(This post was edited by Madson on Feb 3, 2009, 9:32 AM)
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Tom Greenleaf
Ultimate Carjunky
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Feb 3, 2009, 9:37 AM
Post #9 of 13
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Re: 95 Celica won't start when the outside temp is over 65F
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Orig plug wires or not they all wouldn't quit at once like that.
DOES IT HAVE SPARK OR NOT? DOES IT HAVE FUEL OR NOT? Gotta answer those questions.
If this uses a coil wire that wire could prevent spark from all the plug wires - check at both for spark and narrow it down.
You may want to replace all sorts of items for maintenance but up front need to know why it doesn't start at all,
T
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Feb 3, 2009, 4:08 PM
Post #11 of 13
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Re: 95 Celica won't start when the outside temp is over 65F
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Shade tree spark testing if needed: Take a known ok spark plug and put it on a wire end. Ground the metal against engine metal out of harms way, crank engine and look for spark. They have in-line testers that blink with spark if you wish to get one.
Fuel testing: Spray/prime with starting fluid, carb cleaners can work too into throttle body, refasten any snorkle parts and crank engine. If it will at least sputter for run for a couple seconds that strongly suggests lack of proper fuel delivery is the issue.
I don't happen to know this car's ign set up so it may not use a standard distributor and a single coil wire but rather coil packs which would only have as many plug type wires as cylinders. If it has one single coil wire to a distributor you would check there for spark as it feeds all the others. By default if you find spark at the spark plug end of a wire it has spark.
Hope that helps,
T
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Loren Champlain Sr
Veteran
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Feb 3, 2009, 4:45 PM
Post #12 of 13
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Re: 95 Celica won't start when the outside temp is over 65F
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No way, Tom! I was a whole 60 seconds faster!
Loren
SW Washington
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Madson
Novice
Feb 5, 2009, 5:13 AM
Post #13 of 13
(3096 views)
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Re: 95 Celica won't start when the outside temp is over 65F
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It's been cold here the past few days, but I went to the Autoparts store and picked up a Spark tester and EFI testing lights. Once the issue starts happening again I'll test it and let you know the results.
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