SPONSORED LINKS

2001 Ford F-150 IDLE LOPE IN COLD TEMP

Tiny
HAWKEYE60
  • MEMBER
  • 2001 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 177,775 MILES
T RUCK LOPES WHILE IDLING IN COLD WEATHER. CHANGED MAF SENSOR AND NEW PLUGS. HELPED BUT STILL LOPES NOT QUITE AS BAD. WHAT ELSE SHOULD I CHECK?
Friday, February 26th, 2010 AT 7:54 AM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Has the check engine light come on?
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
+1
Friday, February 26th, 2010 AT 12:39 PM
Tiny
HAWKEYE60
  • MEMBER
  • 2 POSTS
Yes, thats when I put new maf and plugs. There was a code of po174 and po171 from a.Z.
Was this
answer
helpful?
Yes
No
Friday, February 26th, 2010 AT 2:31 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
That is a lean mixture on both banks. Have you checked for vacuum leaks?
Was this
answer
helpful?
Yes
No
Friday, February 26th, 2010 AT 3:08 PM

Please login or register to post a reply.

Related Mass Air Flow Sensor Replace/Remove Content

Mass Air Flow Sensor Replacement
GUIDE
Mass Air Flow Sensor Replacement
After starting the engine post sensor replacement, the sensor instantly calibrates itself so there is no learn time required. This sensor is subject to debris and ...
VIEW MORE

Sponsored links