Cold Start Trouble

[AppleWood]

A little background: New plugs, wires, and coilpack last week. This cleared my P0171 and 174 DTC's. 143,000 miles on '01 V-6 SOHC engine.

So we've got temps in the upper 20's to low 30's in the mornings these days and if I do nothing but hit the key the engine will not find a proper fast idle in my opinion. It surges and then idle goes so low that it will probably stall unless I feather the throttle.

Any ideas? - this truck is new to me and I know little of Ford products anyway. Any help/ideas greatly appreciated. No codes at present.

Thanks in advance...

 

[koda2000]

A little background: New plugs, wires, and coilpack last week. This cleared my P0171 and 174 DTC's. 143,000 miles on '01 V-6 SOHC engine.

So we've got temps in the upper 20's to low 30's in the mornings these days and if I do nothing but hit the key the engine will not find a proper fast idle in my opinion. It surges and then idle goes so low that it will probably stall unless I feather the throttle.

Any ideas? - this truck is new to me and I know little of Ford products anyway. Any help/ideas greatly appreciated. No codes at present.

Thanks in advance...

assuming the engine runs well once the engine warms up a little... a common problem with this engine. change the upper & lower intake gaskets/o-rings. the P0171/P0174 codes will probably return soon.

 

[AppleWood]

I kinda suspected vacuum leaks, but will defer to the experts here. Good to know...

 

[AppleWood]

Yes, it does drive out okay. Gaskets a DIY project? How much of a job is this?

 

[Turdle]

Yes, it does drive out okay. Gaskets a DIY project? How much of a job is this?

It is a DIY project.

This thread will help. It also covers timing chain issues so unless these concern you, skim over those posts.

http://www.explorerforum.com/forums/showthread.php?t=261439