my engine sounds like a disel

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catman4115

New Member

Sep 9, 2005

76

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0

Rhode Island

Oct 1, 2005

#1

• Oct 1, 2005

• #1

well after racing my friend on the highway my car is now smoking a little more than usual and kinda sounds like a disel.I just got a cobra intake and 70mm throttle body put on a couple days ago and the car really hasnt been running right. tis been stalling and fells much slower at the higher rpms. I just was wondering what you guys thought.

 

Look Its Aaron

Your car looks like it came straight from Mexico.

Founding Member

Nov 18, 2001

2,634

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48

Fontana, Cali

Oct 1, 2005

#2

• Oct 1, 2005

• #2

Gut feeling tells me vaccum leak from your cobra install.

 

gt40_2003wes

I did sound a wee bit gay there.

Aug 14, 2005

461

2

48

ky

Oct 1, 2005

#3

• Oct 1, 2005

• #3

sounds like its runnin rich any detination?

 

poneypower89

Now everyone in the world will know I wanna bang t

Dec 6, 2004

0

3

28

Indianapolis, Indiana

Oct 1, 2005

#4

• Oct 1, 2005

• #4

gt40_2003wes said:

sounds like its runnin rich any detination?

Click to expand...

Running rich and detonating??? do you mean lean?

anyways, its not the best idea in the world to try and race someone when your car is already having problems man! But, Hindsight is 20/20 and you probably don't want anyone giving you a speech....

Im gonna go with vaccum leak on this one as well.

 

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catman4115

New Member

Sep 9, 2005

76

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0

Rhode Island

Oct 1, 2005

#5

• Oct 1, 2005

• #5

it was backfiring a little last night, but it wasnt sounding back until after i raced

 

Michael Yount

Mustang Master

Apr 10, 2002

9,039

6

79

Charlotte, NC

Oct 1, 2005

#6

• Oct 1, 2005

• #6

Sounds like you 'injured' something. I'd start by pulling the diagnostic codes and see if anything is up with the efi/ignition system. Depending on that result, it might be time to start checking the mechanical bits. You haven't really given us much to go on.

Diesel - is it the detonation, or is it rocker/lifter noise? Or perhaps an exhaust leak? You'd be surprised how similar those can sound. How much is it smoking? On acceleration? On deceleration? Both?

 

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catman4115

New Member

Sep 9, 2005

76

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0

Rhode Island

Oct 1, 2005

#7

• Oct 1, 2005

• #7

its smoking on both, but it sounds like its coming from under the hood. im sorry i cant explain it better.

 

Michael Yount

Mustang Master

Apr 10, 2002

9,039

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79

Charlotte, NC

Oct 1, 2005

#8

• Oct 1, 2005

• #8

Does the noise change in frequency matching revs? Does it do it idle? At light cruise? At w.o.t.? Is it noisier under a particular set of conditions? Does it not do it at light cruise, but start doing it when you ease into the gas in a higher gear? Does it do it more/less when the car is cold/hot? Have you driven it enough to know how much oil it's consuming (a quart lasts how many miles)? Is it leaking oil? How many miles on the car?

 

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catman4115

New Member

Sep 9, 2005

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Rhode Island

Oct 1, 2005

#9

• Oct 1, 2005

• #9

the noise isnt at idel, it makes it when i get on the gas lightly, i havent really floored it since it made that noise so i would assume it does it at high rpm's also. it dose it in all gears too i believe. the car has been consuming oil and smoking, id say about a half a quart every other week maybe. theres about 100k on the motor and it really doesnt leak oil, just burns it.

 

Michael Yount

Mustang Master

Apr 10, 2002

9,039

6

79

Charlotte, NC

Oct 1, 2005

#10

• Oct 1, 2005

• #10

It sounds like you've got a detonation issue (does it sound like marbles rattling around in a can?) First thing to do is pull the codes and see if they tell you anything.

 

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catman4115

New Member

Sep 9, 2005

76

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Rhode Island

Oct 2, 2005

#11

• Oct 2, 2005

• #11

nah it just sounds like a disel, but im taking it monday to get checked out