Dip In Idle RPMs

LanceD · November 21st, 2007, 06:46 PM

I posted a thread about 8 months ago about my RPMs dipping well below 500 after decelerating (occasionally, not consistently) causing me to stall and got good feedback about it probably being my O2 sensors.

The problem disappeared a month later and I haven't had it since until late this month. Driving to and from school, engine fully warmed up, and the problem is back.

Clearly ambient temperature has something to do with this since it stopped in February and started again in November. Any other ideas or is it still probably a bad O2 sensor?

[edit] My bad, I was blind and didn't see this thread but answer if anyone can please.

99mustang232 · November 21st, 2007, 07:16 PM

may want to do a few searches on here or v6p for DPFE sensor

ROUSHME661 · November 21st, 2007, 07:43 PM

best bet

Dropping Below 500 Rpm And Starts A Shake

November 21st, 2007, 06:46 PM	#1
LanceD Regular 2001 Mustang V6 Slow Join Date: Mar 2007 Location: Mesa, AZ Posts: 156 iTrader: 0 reviews	Dip In Idle RPMs I posted a thread about 8 months ago about my RPMs dipping well below 500 after decelerating (occasionally, not consistently) causing me to stall and got good feedback about it probably being my O2 sensors. The problem disappeared a month later and I haven't had it since until late this month. Driving to and from school, engine fully warmed up, and the problem is back. Clearly ambient temperature has something to do with this since it stopped in February and started again in November. Any other ideas or is it still probably a bad O2 sensor? [edit] My bad, I was blind and didn't see this thread but answer if anyone can please. __________________ Just another middle class white guy. Last edited by LanceD; November 21st, 2007 at 06:52 PM.

November 21st, 2007, 07:16 PM	#2
99mustang232 MM Fanatic 1999 Ford Mustang V6 Join Date: Sep 2005 Location: newport news, va Posts: 3,745 iTrader: 0 reviews	may want to do a few searches on here or v6p for DPFE sensor __________________ ...even fire and single cammin 1986 Ford F-150 5.0L 2WD 1994 Toyota Pickup 2.4L 4WD 1999 Ford Mustang 3.8L V6 2002 Jeep Grand Cherokee 4.0L 2WD 2008 GMC Sierra Denali 6.2L AWD

November 21st, 2007, 07:43 PM	#3
ROUSHME661 Enthusiast Join Date: Mar 2007 Location: Lamont CA Posts: 663 iTrader: 0 reviews	best bet Dropping Below 500 Rpm And Starts A Shake __________________ 01 v6 true duals with 40 series flows and custom h pipe cold air intake http://www.myspace.com/xxarsonfreakxx (PERSONAL) http://www.myspace.com/vicious_racing (THE STANG FAMILY)

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