Idle trouble ?02 sable v6 dohc

SOURCE: mercury sable 2001 duratec engine DOHC I get check engine light and diagnostic code PO401". Any suggestions?

Barring any vacuum leaks, P0401 is indicative of a bad EGR valve. Hope this answers your question. Best of luck.
Greg

SOURCE: Change spark plugs on a 96 Sable v6 dohc

actually if i was u i would take it in cus to get to the back 3 spark plugs u have to drop the back of the motor down about a foot or so until u can reach the plugs, or take the intake manifold off. either way its a pain in the ****. but its up to u. good luck to u and i hope this helps u

Testimonial: "Thanks, I was afraid it would turn in to somthing like that. I miss my 92 Accord..."

SOURCE: Where is the ckp sensor on a 2002 Mercury Sable LS

Its located by the harmonic balancer. Here's the info on how to replace it. Crankshaft Position (CKP) Sensor - 3.0L (4V) Removal and Installation

1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Section 100-02.

1. Disconnect the battery ground cable. For additional information, refer to Section 414-01.

1. Remove the accessory drive belt. For additional information, refer to Section 303-05.

1. Remove the nut and position the power steering pressure tube muffler and bracket assembly out of the way.

1. Remove the RH inner fender splash shield
   • Remove the screws and the pin-type retainers.
   • Remove the splash shield.

1. Remove the screws and the generator splash shield.

1. Remove the LH upper stud and the lower retaining bolt. Loosen the RH upper retaining stud.

1. Pivot the generator away from the engine block.

1. Remove the support bracket.
   1. Remove the nuts.
   1. Remove the bolts.
   1. Remove the bracket.

1. Remove the crankshaft position (CKP) sensor.
   1. Disconnect the electrical connector.
   1. Remove the bolt and the CKP sensor.

1. To install, reverse the removal procedure.

SOURCE: Cannot find diagram for serpentine belt routing on

Here it is ...Hope this was some help to you ???