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high revs in reverse??? 

 

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 Post subject: high revs in reverse???
Posted: Sun Mar 25, 2007 10:09 am 
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i have a '95 Mustang, when i start it up from cold although it initially sounds like it wants to take off shortly after the revs drop down to the normal count (around 500) but when i put it in reverse the rev counts soars up to the 1.5 - 2 mark for only a second or two then drops down again...should i be worried about this, none of my previous cars have ever done anything like it???

thanks :o)

 

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Posted: Sun Mar 25, 2007 6:41 pm 
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oops my bad..just noticed this is in the V8..should be V6,....sorry......cmon anyone know what the prob is???

 

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Posted: Mon Mar 26, 2007 10:36 am 
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Thread moved for you.

The flare in RPM does sound a little excessive. Altho not being familiar with mustangs i couldnt say for sure.

Auto?

Is it only when you go to reverse that the rpm picks up? What if you go to nuetral?

 

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Posted: Mon Mar 26, 2007 11:08 am 
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LOL sorry Xine, i moved it from the 6 section to the 8, i just assumed it was a 5.0.
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Posted: Mon Mar 26, 2007 11:25 am 
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lol..paul my love didnt anyone ever tell you not to assume anything!!? ;o)

4.9, yeah its auto, i havent tried throwing it straight into neutral from cold start, ill give that a go today..now to throw a spanner in the works, when i started her yesterday she coughed and spluttered for a while before it deciding to kick in...this car is giving me the s**t :cry:

 

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Posted: Mon Mar 26, 2007 11:33 am 
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The V6 weren't a great thing Xine, they were a bad thing in the Explorer so i'm going to assume the Mustang is no different.
Sell it and buy an 8 lol.
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Posted: Mon Mar 26, 2007 11:40 am 
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only had the car for 3 months but have to admit i am tempted to sell it already

 

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Posted: Mon Mar 26, 2007 11:57 am 
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Lol, the americans dont build em like they used to hey?

Laughing at ford's expense aside - it sounds to me more like a sensor/engine management issue as opposed to a catastrophic problem with the engine itself.

At the end of the day, the engine management system on these engines should be fairly similar to that used on our beloved falcons.

My bet is currently on the idle speed controller, just like the ones that screw up on our falcs lol. Mine used to stick, wouldnt open properly on a cold start, so the engine would splutter, sometimes stall, before the isc finally got its a*** into gear and opened up properly.

If you have a spare hour or so, pull the idle speed controller off the throttle body and give it a good soak in degreaser or the like. Paul may have some tips to do a better job of cleaning it?

 

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Posted: Mon Mar 26, 2007 1:17 pm 
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Yeah definately worth trying to clean the ISC, a can of carby cleaner or even degreaser is good, then use a compressor and blow it out.
Only thing is, i have no idea where the ISC is or what it looks like on yours LOL, it wont be far from the throttle body though.
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Posted: Mon Mar 26, 2007 3:16 pm 
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thanks guys....

now..i just need to find these things you're talking about :shock:

im taking her in tomorrow to get checked out and hopefully all the little bits and pieces that are s**t me off will get fixed...if so im back to loving the stang :wink:

and 4.9..big fan of scrubs too

 

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Posted: Mon Mar 26, 2007 4:20 pm 
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xine wrote:
now..i just need to find these things you're talking about :shock:


Like paul, im not terribly confident describing something on an engine ive not had anything to do with :)

But chances are... the idle speed controller will be a cylindrical object that hangs off the side of the throttle body. If you're taking it into the shop tomorrow, any mechanic worth his salt should be able to find it for ya.


Quote:
and 4.9..big fan of scrubs too


Tidy work. Im still looking for my elliot reid lookalike.... lol

 

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Posted: Mon Mar 26, 2007 11:20 pm 
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I so want a job in that hospital lol.
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Posted: Tue Mar 27, 2007 12:06 pm 
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4.9 EF Futura wrote:

Tidy work. Im still looking for my elliot reid lookalike.... lol


lol..cant help you there, im a brunette...but if you are a turk lookalike ill happily dye my hair :wink:

 

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