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Re: 2001 ford windstar code P0340 cam shaft sensor...
You most likely have a 3.8 liter motor. You need to have a obd-2 diagnostic performed. Pep boys, Autozone, Aamco etc. can do this. (Ford also, but costly). If cam sensor failing, code will be stored in e.c.m, and data stream will prove out. The cam sensor failure is common on fords and they are usally available aftermarket (save a few dollars over O.E.M.) . If there is another problem, the diagnostic will help determine. Windstars are also prone to fuel pump failures and ignition switch problems.
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I'm pretty sure that sensor is a two wire, which produces an AC volt signal back to the computer. You would test it with an analog volt meter while the engine is cranking or running. It could be a problem with the object the sensor is supposed to be "watching" such as the end of the cam shaft.
This is a case of which came first.
The stalling is most likely caused by your Cam Sensor. The description for Diagnostic Test Code (DTC) P0340 is "cam sensor circuit malfunction" This is a VERY COMMON problem on 7.3L diesel engines. Ford has had a lot of trouble with these.
The description for DTC P0470 is "exhaust back-pressure sensor circuit malfunction" This code can be caused by the EBP sensor, the circuits to the EBP sensor or a faulty Powertrain Control Module (PCM)
The description of DTC P1211 is "Injection Control Pressure (ICP) above or below desired" This can be caused by the engine stalling. It can also be caused by several other things, including low engine oil level or a possible faulty PCM. (Check you engine oil level FIRST.)
The troubleshooting charts needed to properly diagnose DTCs P0470 and P1211 depend on whether these codes are Key-On-Engine-Off (KOEO), Key-On-Engine-Running (KOER), or "continuous memory" codes. If you retrieved these codes with a generic OBD scan tool, then they are definately present in "continuous memory". However, a scan tool with the capabilities to read KOEO and KOER codes MUST be used to determine if these are "HARD" or "INTERMIITTENT" faults. The troubleshooting steps vary greatly depending on this information.
Personally, I would start with the lowest number code first (P0340). Replace the cam sensor. Please note: this is the MOST LIKELY cause of the problem, but not the only POSSIBLE cause. Then clear all the fault codes and drive the truck to see if this or the other codes return.
The problem with your van is the CAM Sensor, I believe the noise you are hearing is kind of a chirping sound. I just had mine fixed (12/19/09) it was about $150 for parts and labor from a local Mech. not a dealer.
have your idle speed sensor cleaned,also checkd the air flow sensor located in the air cleaner housing,you best bet is to have it scanned for PCM soft codes(codes that wont turn on the check engine light on)
Hi, the cam shaft sensor will be located Under the hood, center, upper engine area, mounted behind
rear of intake manifold, in the engine block.
This is a magnetic or hall effect sensor. It sends
a signal to the computer relaying information about shaft speed,
position and acceleration or deceleration. This information determines
when the fuel/air mixture needs to be ignited and how much mixture is
needed for the engine.
The possible causes of failure will be faulty housing or faulty wires as well. A faulty ECM could trigger a false alarm as well. this is highly unlikely but, possible in most cases. The most reported reasons is flat out sensor failure.