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engine light

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engine light - 8/4/2008 5:01:26 AM

harley88

Posts: 2
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Joined: 8/4/2008
Status: offline

hello folks

i have a 1984 thunderbird and my engine light stays on about every mourning untill i hit a bump then it will go off then it stays off all day and will come back on the next mourning.
if anyone can help this old man out i sure would appreciate it
thanks
harley

Post #: 1

RE: engine light - 8/11/2008 9:33:58 PM

goinstrong

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Joined: 2/24/2007
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Well this car is over 20 years old but it could still be warning you of something coming. Try an oil and oil filter change with 10W40 oil if your engine has over 100,000 miles. Could be blockage from dirt. If you change oil regularly it could be a sensor beginning to detect a problem. A good old scanner/tester would solve that. With the 80''s came a lot of electrical B.S. so be prepared for it to not be so easy to solve. At least "check engine" means the engine - but it has many components - EGR, catalytic converters (engine exhaust), more elaborate engine computers and so much more. First - this car is around the switching years - is your engine carbureted or fuel injected? Also what size engine is it?

(in reply to harley88)

Post #: 2

RE: engine light - 8/12/2008 11:14:12 AM

harley88

Posts: 2
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Joined: 8/4/2008
Status: offline

goingstrong

thanks for your reply. my manual says that the engine light means oil or temperature. its a fuel injected 5.0l (302). i had my oil and filter changed about 500 miles ago they put 10w30 in it ,
about along then was when the engine light started. i have also heard the rods knocking sometimes just after it cranks.
a mechcanic close to where i live said to add a quart of transmisson fluid in the crankcase and it would clean up things
but it seems to be that if it was clean the knocks would be worse , what you say?
is putting in rod inserts easy in this 84 thunderbird?
thanks again
harley

(in reply to goinstrong)

Post #: 3