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2001 Taurus same error after tune-up.


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allthumbs
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Apr 29, 2009, 9:01 AM

Post #1 of 17 (4094 views)
2001 Taurus same error after tune-up. Sign In

I just gave my 2001 Ford Taurus 3.0 w/10800 miles a tune-up and the check engine light came back on with the same "#2 cylinder error" I originally got. The car runs rough at 700 - 800 rpm idle. Anything over that, it smooths out and runs like a deer. The car doesn't smoke and is in good mechanical order otherwise. Please advise as to what it may be. Thanks.


(This post was edited by allthumbs on Apr 29, 2009, 9:02 AM)


Hammer Time
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Apr 29, 2009, 9:10 AM

Post #2 of 17 (4088 views)
Re: 2001 Taurus same error after tune-up. Sign In

What is the exact code number and what exactly have you replaced?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



allthumbs
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Apr 29, 2009, 12:21 PM

Post #3 of 17 (4085 views)
Re: 2001 Taurus same error after tune-up. Sign In

Well, I didn't see the exact code #, so I'll have it checked again and write it down.

I replaced the plugs, wires and the coil pack.


way2old
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Apr 29, 2009, 2:39 PM

Post #4 of 17 (4078 views)
Re: 2001 Taurus same error after tune-up. Sign In

Possibly injector or maybe a spring has broken.



Being way2old is why I need help from younger minds


allthumbs
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Apr 30, 2009, 4:36 AM

Post #5 of 17 (4062 views)
Re: 2001 Taurus same error after tune-up. Sign In

I got it checked again last night and this time there were 2 codes. They were P0302 and P0305 - misfires in cylinders 2 & 5. The codes were reset and the car ran smoother, but later the check engine light came back on and the car began to run rough again.


Hammer Time
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Apr 30, 2009, 6:29 AM

Post #6 of 17 (4059 views)
Re: 2001 Taurus same error after tune-up. Sign In

What is the 8th digit of your VIN#?



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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



allthumbs
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Apr 30, 2009, 8:33 AM

Post #7 of 17 (4053 views)
Re: 2001 Taurus same error after tune-up. Sign In

It's a "U" series Taurus.


Hammer Time
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Apr 30, 2009, 8:39 AM

Post #8 of 17 (4047 views)
Re: 2001 Taurus same error after tune-up. Sign In

What I would do is install an inline spark tester on cylinder #2 and observe it while someone power brakes the engine. Look to see if you actually getting an ignition miss or not. This will at least tell you what direction to pursue. If you can eliminate ignition, then you can take a closer look at the fuel system and compression.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Loren Champlain Sr
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Apr 30, 2009, 4:56 PM

Post #9 of 17 (4037 views)
Re: 2001 Taurus same error after tune-up. Sign In

allthumbs; PMJIH; #2 & #5 are directly across from each other. Look for a vacuum leak that could affect those two cylinders.
Loren
SW Washington


allthumbs
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May 12, 2009, 5:58 AM

Post #10 of 17 (4010 views)
Re: 2001 Taurus same error after tune-up. Sign In

I got the bad news yesterday. A compression test confirmed that there may be a crack in the head. # 5 cylinder had only 99 and #2 had 120 lbs. I think the old girl is in need of some serious TLC. Or the scrap yard. lol

This is still a good car. I really like it. Solid and dependable...until now, that is. You guys think it's worth putting that kind of money into?

P.S. Thanks for all the answers and tips.


Loren Champlain Sr
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May 12, 2009, 3:56 PM

Post #11 of 17 (4005 views)
Re: 2001 Taurus same error after tune-up. Sign In

allthumbs; A poor compression reading doesn't say 'cracked head'. If you are getting exhaust gasses into the cooling system, it's a 'possibility'. Did you try a wet compression test? (that's putting some oil in the cylinder, cranking it over a few times to distribute the oil, then do the compression test again). Also, do a leakdown test on the cylinder to see if you have pressure escaping through the exhaust or intake. There are many reasons that you could have poor compression and/or misfires, but a cracked head would be, if at all, at the bottom of the list.
Loren
SW Washington


allthumbs
User

May 13, 2009, 4:48 AM

Post #12 of 17 (3996 views)
Re: 2001 Taurus same error after tune-up. Sign In

Thanks for the info. I'm possibly headed to the garage today. I'll mention those tests to the mechanic.


Loren Champlain Sr
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May 13, 2009, 5:05 PM

Post #13 of 17 (3984 views)
Re: 2001 Taurus same error after tune-up. Sign In

allthumbs; I was lying in bed, about midnight, thinking about this. (don't you feel bad?Smile) Generally, the heads will crack between the valve seats. Although I've never seen one crack badly enough to affect compression, I suppose that it is possible.
Loren
SW Washington


allthumbs
User

May 14, 2009, 4:29 AM

Post #14 of 17 (3978 views)
Re: 2001 Taurus same error after tune-up. Sign In

Loren, No, I don't feel bad. If some of the things were known that I Think about while lying in bed, well, let's just say I could be deported or on death row. :) Thanks for all the input. Have a great day.

Dave


Loren Champlain Sr
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May 14, 2009, 2:16 PM

Post #15 of 17 (3968 views)
Re: 2001 Taurus same error after tune-up. Sign In

>>If some of the things were known that I Think about while lying in bed, well, let's just say I could be deported or on death row. :)<<
Ya think they'll have room for both of us?Sly
Loren
SW Washington


allthumbs
User

May 15, 2009, 3:08 AM

Post #16 of 17 (3957 views)
Re: 2001 Taurus same error after tune-up. Sign In

Plenty of room. ALL ABOARD!


Loren Champlain Sr
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May 15, 2009, 4:23 PM

Post #17 of 17 (3947 views)
Re: 2001 Taurus same error after tune-up. Sign In

On my way.Smile
Loren
SW Washington






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