two questions ?


steved57

steved57

GT Owner
Mark IV Lifetime
Le Mans 2010 Supporter
Mar 29, 2008
1,941
kilgore tx
ok, i have my car to the point i want to start it, warm it up and change the oil since im sure with 435 miles on it its the original oil and is 4 years old now !
i bought one of the Odyssey batteries, installed it, held accerator pedal to the floor to cycle the engine thru for 20 seconds just due to the fact the car
hasnt been started in almost a year, i watched the oil pressure gauge while
cycling engine and the needle didnt move - i then went ahead and hit the start button and the engine cranked immediately - i let it run about fifteen seconds and killed it as the oil pressure gauge needle didnt move at all ! i did the cycle through again for 20 seconds, cranked it again and let it run about 45 seconds, got scared and killed it ! now i have just read all i could find on the forum about oil pressure gauges not working - and im going to put a charger on the Odyssey battery (expensive battery !) if that doesnt work ill
try chainging the sending unit - anyway any ideas/suggestions would be much appreciated

one other question i have is if anyone can suggest a polish to try amd remove some scratches in the headlight lense ?

thanks

steve
 
Oil pressure sender..

I had to replace the oil pressure sender on one of mine. Others also have had this issue........GO BLU
 
"Plexus" worked like a champ for me. It's the same stuff pilots use on airplane "windshields". (Use a micro fiber towel to apply.)
 
Steve, I had to replace mine(oil pressure sending unit), but the issue with my car was a "jumping" needle at constant RPM's and speed. After replacing the sending unit all was well!!!
John
 
More than likely its the oil pressure sending unit.
 
Before going out and buying new gauges (and/or making arrangements for a dealership visit), I would make very sure that your battery is FULLY charged.

The electronics in the panel that handle the gauges establishes a 'handshake' at start-up. If there isn't enough juice (slowly dying battery) the gauges won't establish the handshake (I have seen where a couple gauges work, and others don't during a low voltage occurence), even if you have enough juice to start the engine.
 
Kingman said:
Before going out and buying new gauges (and/or making arrangements for a dealership visit), I would make very sure that your battery is FULLY charged.

The electronics in the panel that handle the gauges establishes a 'handshake' at start-up. If there isn't enough juice (slowly dying battery) the gauges won't establish the handshake (I have seen where a couple gauges work, and others don't during a low voltage occurence), even if you have enough juice to start the engine.
Click to expand...


Happened on my car one time after a long period of inactivity.... battery had enough voltage to start the engine, but the oil pressure gauge did nada.
I charged the battery with the supplied "maintainer" and has been good ever since.

mardyn
 
Kingman said:
Before going out and buying new gauges (and/or making arrangements for a dealership visit), I would make very sure that your battery is FULLY charged.

The electronics in the panel that handle the gauges establishes a 'handshake' at start-up. If there isn't enough juice (slowly dying battery) the gauges won't establish the handshake (I have seen where a couple gauges work, and others don't during a low voltage occurence), even if you have enough juice to start the engine.
Click to expand...

That (handshake) is very good to know. My wife's Benz wagon had a battery failure last week. It was very strange, to this old mechanic, as I would have expected a weak turn at starting. It started fine three times during her shoping trip, then "Klinked" on the 4th attempt w/no-start. Batteries, can go that fast! No surpirse,... as it was 10 years old.:thumbsup
 
Drive the gt more!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
Steved, so did you change the oil too? Sender will act a little eratic at first right after oil change. Go for a ride. You know you have oil. How long was battery disconnected for?
 
thanks for all the replies ! and no didnt change the oil yet as i was afraid to let the engine run long enough to get the oil hot as i prefer to drain it with the oil warmed up - i am gong to try the battery charge first and ill let you
guys know the results

also i am getting all my painted pieces from painter this week and plan on taking couple days off during the week and hopefully get the front end completely assembled

thanks again guys for the input

steve
 
steved57 said:
ok, i have my car to the point i want to start it, warm it up and change the oil since im sure with 435 miles on it its the original oil and is 4 years old now !
i bought one of the Odyssey batteries, installed it, held accerator pedal to the floor to cycle the engine thru for 20 seconds just due to the fact the car
hasnt been started in almost a year, i watched the oil pressure gauge while
cycling engine and the needle didnt move - i then went ahead and hit the start button and the engine cranked immediately - i let it run about fifteen seconds and killed it as the oil pressure gauge needle didnt move at all ! i did the cycle through again for 20 seconds, cranked it again and let it run about 45 seconds, got scared and killed it ! now i have just read all i could find on the forum about oil pressure gauges not working - and im going to put a charger on the Odyssey battery (expensive battery !) if that doesnt work ill
try chainging the sending unit - anyway any ideas/suggestions would be much appreciated

one other question i have is if anyone can suggest a polish to try amd remove some scratches in the headlight lense ?

thanks

steve
Click to expand...

Make sure your car is not on an incline. That can hinder the oil pick-up.
 
If the GT hasn't been started for a few months, is it regarded as a good idea to cycle the oil (pedal to the floor) before starting? I don't do this on mine, perhaps I should?
 
Neilda, what can it hurt? Safety precaution.
 
i did the 20 second cycle before starting the engine

steve
 
What does the pedal to the floor do? Flood the engine and keep it from starting?
 
there is a system outline on how to prime the engine when changing the oil... please use the search button and you will find it fully explained.
 
One thing that has not been mentioned yet is that the oil pump belt should be changed every three years if the car is not regularly driven. I hope that the lack of oil pressure is the sending unit, but you should change the belt before trying to restart the car.
 
thanks for the info silverbullitt
 
Jamie, pushing the pedal to the floor stops the engine from turning on by, I think, shutting off the injectors. The engine will turn over but not start giving a chance to build up oil pressure. On an engine that has not be turned over for a while, the gas will dilute the small amount of remaining oil in the cylinder and may cause damage. This is common in most modern, injected engines.
 
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