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2007 PT Malfunction Indicator Light

 
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  #1 (permalink)  
Old 29 Dec 2007, 11:43 pm
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Angry 2007 PT Malfunction Indicator Light

Please help, The On Board Diagnostic System has turnes on the light. I put a new gas cap on trying to fix the problem. No luck. I can not find any loose hoses. What problem with the automatic transmision turns on the light? Is this a problem many have had?
Thanks
charlessundberg@msn.com
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  #2 (permalink)  
Old 30 Dec 2007, 07:34 am
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Default Re: 2007 PT Malfunction Indicator Light

Welcome to the forum Charles.

What fault code did the computer set when the malfunction light come on? This code will help us, help you in finding the fault.
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Old 30 Dec 2007, 11:37 am
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Default Re: 2007 PT Malfunction Indicator Light

Welcome.
With an '07, you should let the dealer fix it - for free.

Easiest is to go to an autoparts store - most of them will plug in a reader and read the code for you for free.

If you want to do it yourself, it's easy, too...
Engine off.
Turn key to "on" (right before starter would come on)
Turn back one click to "off"
"on"
"off"
"on"

The on-off 3x should give you a code in the odometer window like P301 then "done". You should always get at least "done".

Post back with what you find.
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Last edited by quicksilverdon; 30 Dec 2007 at 11:38 am. Reason: typo
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Old 30 Dec 2007, 12:12 pm
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Smile Re: 2007 PT Malfunction Indicator Light

Quicksilverdon,
Thanks for the input. I will do as you say and get the fault code. I will post the result.
Thanks again,
pnwptowner
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  #5 (permalink)  
Old 30 Dec 2007, 09:27 pm
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Default Re: 2007 PT Malfunction Indicator Light

Quicksilverdon,
The do it yourself fix was very helpful. When I ran the test I got no code just the "done". I was sucessful in extinguishing the light by removing the negative battery terminal for tem minutes to let the computer rest. Then reataching the lead and "vola" no light. I drove the car to the airport to dinner and home with no faults. If I knew where you where I would send you a bottle of Scotch.
pnwptowner
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Old 30 Dec 2007, 10:53 pm
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Default Re: 2007 PT Malfunction Indicator Light

Good. It was probably just a 1-time misfire. It triggers the light, but sometimes doesn't generate a code. The light would've gone off by itself in time if the problem didn't recur.
__________________
"Anti-intellectualism has been a constant thread winding its way through our political and cultural life,
nurtured by the false notion that democracy means that 'my ignorance is just as good as your knowledge."
Isaac Asimov"

'05 Limited Turbo Lite, (Silver, of course)4-wheel ABS, Sunroof, Spoiler. Mods: E&G Classic grill, K&N FIPK, BTG duals, rear lowered 1.5", LED washer lights, $20 catch can, Aoogah horn, Weatherflectors, Sunroof Deflector, Fuzzy Dice, rear logo flames, rear pinstripe graphic, Gen3 Taillights, rear sway bar, hood struts, Strut bar.
Traded in '02 Silver Touring Edition w/87,000 miles
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  #7 (permalink)  
Old 01 Feb 2008, 01:13 pm
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Default Re: 2007 PT Malfunction Indicator Light

Quote:
Originally Posted by quicksilverdon View Post
Welcome.
With an '07, you should let the dealer fix it - for free.

Easiest is to go to an autoparts store - most of them will plug in a reader and read the code for you for free.

If you want to do it yourself, it's easy, too...
Engine off.
Turn key to "on" (right before starter would come on)
Turn back one click to "off"
"on"
"off"
"on"

The on-off 3x should give you a code in the odometer window like P301 then "done". You should always get at least "done".

Post back with what you find.

where exactly do you start? I have 3 different areas to start~ once to put in the key, another to turn on the panel (senser, odometer and mileage) and the 3rd to turn on the engine. I did the first two starts, and the odometer window still comes up blank. *scratches head*

guess I'll just have to go to Autozone and have that done hopefully for free.
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  #8 (permalink)  
Old 01 Feb 2008, 01:30 pm
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Default Re: 2007 PT Malfunction Indicator Light

cruisinbabe,

The second click forward where the panel lights up is as far as you want to go.

Make the panel "light up" three times and at the 3rd time it lights up leave the key pointing forward with the panel lit and it will either give you a code or say "done".

One more thing, turn the key 3 times in a space of about 5 seconds. Don't hesitate between turns.
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Rules of the forum have been updated as of *07/07/2019* Please read them over.

- All decisions by the Moderator are semi-permanent, can and may be changed at his discretion but definitely will be the final word. Any action performed by the Administrator or Moderators are not to be discussed on the forum.
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  #9 (permalink)  
Old 01 Feb 2008, 01:36 pm
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Default Re: 2007 PT Malfunction Indicator Light

Quote:
Originally Posted by cruisinbabe View Post
where exactly do you start? I have 3 different areas to start~ once to put in the key, another to turn on the panel (senser, odometer and mileage) and the 3rd to turn on the engine. I did the first two starts, and the odometer window still comes up blank. *scratches head*

guess I'll just have to go to Autozone and have that done hopefully for free.
Quote:
Originally Posted by CREWZIN View Post
cruisinbabe,

The second click forward where the panel lights up is as far as you want to go.

Make the panel "light up" three times and at the 3rd time it lights up leave the key pointing forward with the panel lit and it will either give you a code or say "done".

One more thing, turn the key 3 times in a space of about 5 seconds. Don't hesitate between turns.
thanks! I'll give that a try
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  #10 (permalink)  
Old 01 Feb 2008, 03:43 pm
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Default Re: 2007 PT Malfunction Indicator Light

hunh...whaddaya know...?! I got the "done" message as well. I'll have my nephew check the battery when I get home.
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