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WTH!!!!!!!!!!!!

 
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Old 13 Dec 2013, 08:55 pm
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Default WTH!!!!!!!!!!!!

Just got home from from the store and while I was in my car with it idling the oil light came on! Any known issues with the oil light sending false alarms? Its off now. When it come on it went off for a second then come back on till I turned off the car.

Last edited by scatgo; 13 Dec 2013 at 10:02 pm.
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Old 13 Dec 2013, 09:13 pm
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Default Re: WTF!!!!!!!!!!!!

Check your oil yet ?
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Old 13 Dec 2013, 09:18 pm
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Thumbs down Re: WTF!!!!!!!!!!!!

!!!!!!

Last edited by soonercruiser; 13 Dec 2013 at 09:20 pm.
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Old 13 Dec 2013, 09:26 pm
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Old 13 Dec 2013, 09:41 pm
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Default Re: WTF!!!!!!!!!!!!

O yea I did check the oil level . everything ok. Just went to the store and the oil light comes on when ever idling. Goes off while driving along. When I got stuck at a red light I put it in netrual and gave it some gas and the light went off. Can my oil pump be worn out after only 125k?
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Old 13 Dec 2013, 09:54 pm
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Default Re: WTF!!!!!!!!!!!!

Quote:
Originally Posted by Busa_Powered View Post
Fitting title.. Busa what is that thing? I wanna kill it with fire.
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Old 13 Dec 2013, 10:03 pm
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Default Re: WTH!!!!!!!!!!!!

Quote:
Originally Posted by scatgo View Post
Any known issues with the oil light sending false alarms?

Yes. Sending unit has been known to come on without any reason and sometimes the car stalls and won't start again till the sending unit is replaced. Shouldn't work that way but I've seen it myself while trying to help a stranded PT owner.
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Old 13 Dec 2013, 11:44 pm
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Fitting title.. Busa what is that thing? I wanna kill it with fire.
Apparently Busa has found a way to photograph his hallucinations.
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Old 14 Dec 2013, 12:06 am
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Default Re: WTH!!!!!!!!!!!!

Quote:
Originally Posted by CREWZIN View Post
Yes. Sending unit has been known to come on without any reason.....
True dat! If you have spaghetti arms it's easy to replace the sender that's located about half way up on the engine block, firewall side.

But if you have regular arms it harder.
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Old 14 Dec 2013, 04:33 am
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Default Re: WTH!!!!!!!!!!!!

Quote:
Originally Posted by CREWZIN View Post
Yes. Sending unit has been known to come on without any reason and sometimes the car stalls and won't start again till the sending unit is replaced. Shouldn't work that way but I've seen it myself while trying to help a stranded PT owner.
What method does the PT use for killing power to the fuel pump in case of an accident? Too late to go looking it up right now so if there's any one knowledgeable about this speak up.

One method is for the oil pressure sensor to also control the FP relay as the safety cut off trigger. The idea being in an accident the engine will stop and hence no oil pressure and also no power to the switch side of the FP relay. I know this was the method used on late model Vegas. What kept my son from thrashing the engine in my ol SS race car I gave him to drive cause he never checked the oil and it needed to be... hey it was a Vega. So when the level got too low and couldn't maintain pressure it wouldn't run... ';)

As with all FP safety cut off systems, when engaging the starter, power is bypassed to the switch side of the relay to allow fuel flow for starting, and in the case of an oil pressure sensor cut off control, as soon as the engine starts it will have pressure and allow the pump to run once the starter is disengaged.

This would explain the scenario described. It should 'try' to start and then immediately die when the starter is disengaged.

If one is sure that the oil pressure is normal and the switch is faulty one can get going by jumping the leads at the pressure sensor or my favorite method which won't take the 'source' of the signal out of commission, whether it be the oil pressure or something else, is to jump the 'hot' to the 'switch' pole on the FP relay.
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Last edited by scoleman69; 14 Dec 2013 at 04:38 am.
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