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Old November 26th, 2008, 08:13 PM   #1
masterbeatty
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Default thunderbird 3.8 question

i know its not a truck but i need some help. i just bought a thunderbird 95 with the 3.8 non sc. only paid 200 for the car. ok it starts and runs, will rev up past 4000 sometimes, when i first start it the car will drive but not well but after it warms up it wont move at all even if i put the pedal to the floor it wont rev up. if you drop it in neutral or park it will rev up fine. anyone have any ideas? it does idle a little rough.
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Old November 26th, 2008, 08:14 PM   #2
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convertor is plugged or not enough fuel pressure or fuel volume beig delivered
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Old November 26th, 2008, 08:21 PM   #3
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i pulled the codes just now and got 4 codes. 2 for left bank lean and 2 for right bank lean.
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Old November 26th, 2008, 08:29 PM   #4
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is it obd-II?
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Old November 26th, 2008, 08:36 PM   #5
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yes pass side under dash
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Old November 26th, 2008, 08:52 PM   #6
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vacuum leak or dirty MAF
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Old November 26th, 2008, 08:54 PM   #7
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no vacuum leak and i cleaned the maf
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Old November 28th, 2008, 08:13 AM   #8
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Have you checked the fuel pressure? Does your scan tool read data? What is the coolant temp sensor (for the computer) reading? Could be that.
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Old November 28th, 2008, 05:10 PM   #9
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talked to a buddy that had a cougar with the 3.8 had the same problem 1800 later he had new head gaskets and it was fixed. it has no coolent leaks or milky oil but he had exact same problems so i think im guna tear into it then sell it.
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Old November 28th, 2008, 05:39 PM   #10
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Thunder birds and mustangs and cougars with this 3.8 are horrible for4 head gaskets ive owned three t-birds and a mustang withh this engine the job istn very hard to do but the important thing is to make sure when u replace them that the heads get a very good cleaning and inspection for cracks i do have one good 3.8 head if you are interested in it. PM me
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Old November 28th, 2008, 11:40 PM   #11
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so you plan on replacing head gaskets just because a friend of yours had to? even thoug yours doesnt have any signs of a blown head gasket?
doesnt make much sense to me..

when the 3.8 blows tha gaskets (and they will) the most common signs are overheating with no heat inside...and they will normally show oil in the coolant, or vice-versa...

when you say there are no vacuum leaks, did you also check the intake gasket? that could suck in (usually around the back of the intake) which would cause this problem, and would then be repaired when someone changed the head gaskets, since they have to take the intake offto get the heads off...

I would aslo check the ignition system, since the inability to build RPMs under a load could defiantely be that...

*edit* if you just want to sell it, send me a pic, I may give you your $200 back without you havingto touch it...
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Old December 1st, 2008, 07:12 AM   #12
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well it only does that when its hot. everything i read points me to headgaskets. the car has 180thousand. the kid did no maintnence.
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Old December 1st, 2008, 06:27 PM   #13
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Did you at least do a compression test?
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Old December 1st, 2008, 07:59 PM   #14
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before i dig into it yes i will. but no not yet. been tryn to get my bronco on the road.
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