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Author Topic:   engine stall
mustang90LX50
Journeyman

Posts: 15
From: Chesapeake, VA USA
Registered: Dec 2004

posted 02-03-2005 07:32 PM     Click Here to See the Profile for mustang90LX50   Click Here to Email mustang90LX50     Edit/Delete Message   Reply w/Quote
engine stall after pushing the gas to floor in drive and let up the gas it runs fine but in rear it does not stall out but push the gas a little it goes no problems

please help

[This message has been edited by mustang90LX50 (edited 02-03-2005).]

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capri man
Gearhead

Posts: 7249
From: doerun, ga.
Registered: Nov 2000

posted 02-03-2005 08:00 PM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
have you cleaned the throttle body with choke and carb cleaner?? sometimes it will get clogged up with gunk and create a lean condition. but usually it will happen when you stop at a stoplight etc. good luck

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mike r
racing is real
everything else is just a game.
81 capri-302-7.33 @92mph 1/8
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fred
Gearhead

Posts: 111
From: berea ky
Registered: Oct 2004

posted 02-04-2005 08:35 AM     Click Here to See the Profile for fred   Click Here to Email fred     Edit/Delete Message   Reply w/Quote
what engine, what year?

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ddenton749
unregistered
posted 02-04-2005 09:47 AM           Edit/Delete Message   Reply w/Quote
quote:
Originally posted by mustang90LX50:
engine stall after pushing the gas to floor in drive and let up the gas it runs fine but in rear it does not stall out but push the gas a little it goes no problems

please help

[This message has been edited by mustang90LX50 (edited 02-03-2005).]


I'm still not quite sure what you're asking. If it's in park/neutral and you rev it, it stalls. When you're driving in gear it doesn't stall. Give it a little gas in park/neutral it's ok. Is that right?

Take a look at the Idle Air Control Valve (IACV). It also acts like an anti-stall dashpot when you let off of the gas. It could be dirty, clogged, stuck or just not working.

Assuming you have a 5.0, a common problem is for the screen under the PCV valve to clog. This forces crankcase gasses and vapors back through the hose that goes from the oil fill to the throttle body. (Backwards flow) This has a tendancy to clog the IACV with oil.

------------------
'73 Convertible, 351C 2V
'91 LX Convertible 5.0
Member: Valley Forge Mustang Club
"Tank, I need an exit."
"I may not have gone where I intended to go, but I think I have ended up where I needed to be."
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