My truck exhaust is clean between washings..Last night I noticed they were Black ( thick Residue)..I cleaned the pipes,but this eve after work they were black again..Any One Kno what could have changed so drasticly ?
Thanks for Help

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Ted O, Black 00 "L"
Superchip, PSP filter kit.
Roll & Lock bed cover

 

Lead foot syndrome..Nah the accumulation condensation in the mufflers and pipes does
leaves this puddle ..black residue.

 

Have you done anything different since the last time the pipes stayed clean? If not, check your chip's connection and try again. Make sure the air filter isn't dirty. (It better not be! lol) Make sure the MAF sensor wire is plugged in good.

You're not leaking antifreeze are you? If so, the O2 sensors could be off. Those are the obvious things to check for first. Other than that, I don't know. Might try re-setting the computer by pulling the neg. cable and turning on the lights for several minutes. Then try again.

Oh yeah, check to make sure it's getting up to operating temperature so it goes into closed loop ? because it runs richer when cold. Check thermostat and engine temp. sensors.

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Jim
Black '00
#1,757 built 3/30/00
Clear corners
J.L. Street program
J.L. Stage II ram-air
MagnaFlow Exhaust

[This message has been edited by gforce (edited 01-26-2001).]

 

Driving habits hav'nt changed,,,I'll check what you suggest tomorrow..
Thanks.

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Ted O, Black 00 "L"
Superchip, PSP filter kit.
Roll & Lock bed cover

 

Maybee it has something to do with the winter fuel. They add more additives in the winter. Has your gas millage dropped also?

 

The chips do it. I think it's because they run them a little richer because of the added timing.

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Red '00 Lightning,
Power Surge Performance enhanced,
Sound effects provided by Flowmaster,
375 RWHP,
445 RWTQ,
12.974@104.818
Track Videos

 

Like 4d said I had a chip that would blacken the tips to coal in one day. More recently it has taken longer but I have had both chips updated.

Remember Rich is safe ....

Doug

 

Thanks for the replys.
I've had the R9 several months..When I installed the PSP filter the truck ran a little leaner and the tips stayed clean..Nothing has changed..I check my truck constaltly and all of a sudden the tips were Black as ace of spades..Gas millage has gone to hell too...

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Ted O, Black 00 "L"
Superchip, PSP filter kit.
Roll & Lock bed cover

 

Houndog:

Now would be a nice time to have a shop manual if you don't already. The engine temperature sensor could be telling the computer your engine is cold, when it really isn't. That would be my first guess, then an O2 sensor. But, faulty O2's usually cause the check engine light to come on.

A manual should have the values at which the sensors operate, using a volt meter. Don't let this go too long, because it's crapping up the top of the piston and the valves with carbon which can cause detonation, because these areas glow red-hot and set off the mixture prematurely.

------------------
Jim
Black '00
#1,757 built 3/30/00
Clear corners
J.L. Street program
J.L. Stage II ram-air
MagnaFlow Exhaust

 

Thanks Gforce,,Where is a good place to get a shop manuel..I'm a computer tech so I have DVM etc..

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Ted O, Black 00 "L"
Superchip, PSP filter kit.
Roll & Lock bed cover

 

Houndog,

You could probably just go to the Ford dealer and ask what the values are. Surely, they'd look them up and you could get it for free. When I get time someday, I'm going to the dealer and ordering a shop manual for my truck, since I plan on keeping it til I'm old and on a cane. They're expensive, but invaluable and explain alot of things a Haynes or Chiltons manual doesn't.

Start with the coolant temp. sensor. (Not to be confused with the gauge sensor) These are known to go bad on all makes and models and will definitely make it run WAY rich. Then, run a good fuel system cleaner through it to get the deposits out of the combustion chamber. It will be fine.

------------------
Jim
Black '00
#1,757 built 3/30/00
Clear corners
J.L. Street program
J.L. Stage II ram-air
MagnaFlow Exhaust

 

They're expensive, but invaluable and explain alot of things a Haynes or Chiltons manual doesn't.

Thanks gforce,,I'll go to the Ford dealer tomorrow..I had a Mopar manuel for my Dak and as you said it was invaulable...

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Ted O, Black 00 "L"
Superchip, PSP filter kit.
Roll & Lock bed cover

 

You may not believe it..I thought what I did diff. before the truck started running rich..
I switched to Mobil 1 and also filled it up with Exxon (esso) gas..Its the gas..I went back to Amoco and no more black exhaust tips..Don c was on the right track

Thanks to all for help..

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Ted O, Black 00 "L"
Superchip, PSP filter kit.
Roll & Lock bed cover
#4944 of 4966

 

Have you guys tried looking on www.ebay.com I think i have seen them there real cheap on CD ROM. Good luck
Danny

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1995 Cobra with a T76 Turbo
2000 Lightning JDM chip 13.395 @ 101.38 60 ft 1.953
My toy can be seen at sundancerracing.com look under street cars

 

Houndog,

Glad all is well now. Believe this or not, I thought I read somewhere that Exxon gasoline isn't all that good. BP is supposed to be another not so good one. I guess this proves it.

Danny,

Where have you been hiding? Good to see you post.

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Jim
Black '00
#1,757 built 3/30/00
Clear corners
J.L. Race program
J.L. Stage II ram-air
MagnaFlow Exhaust