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MERCURY VILLAGER QUIT RUNNING
04-12-2009, 11:21 AM (This post was last modified: 04-12-2009 11:28 AM by douglasnc.)
Post: #1
MERCURY VILLAGER QUIT RUNNING
Year: 1999
Model: MERCURY VILLAGER
Engine Size: 3.3
Auto/Manual: AUTO
Mileage: 122000

Hi, My daughters villager stalled while turnning into a parking lot and wont restart. Was running fine untill then.Ihave an OB2 tester and read codes. It said knock senser malfuntion bank #1....erased code and tried to start again and nothing...Re-checked codes and now getting code#PO340 (cam position senser malfuntion) Also,i'm not getting any fire at the plug wires . Had cap off to check rotor and inside of cap(forgot to turn switch off) and noticed a spark at the coil spring.Even though the cam position senser looks easy to replace, im told ill have to buy the whole distributor to get it.I bougth the repair manual supposed to cover my model, but they had two different distributors for this van and mine is quit different than the one in the manual(mine has coil and cam senser in cap and different wireing plugs) so i cant test mine useing these instructions.i guess im wanting someone who knows to aggree or not agree with my OB2 reading before i spend the money on the distributor.Would the cam position senser stop fire to wires if bad ? My options are the same even if it was the coil...New distributor...Both parts look easy to change out to me,so i dont see why i need to buy the whole thing. Any advise on this would be greatly appreciated.
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04-12-2009, 12:18 PM
Post: #2
RE: MERCURY VILLAGER QUIT RUNNING
Before jumping to conclusions double check to see if the cam has jumped time because that will also cause a stall and a trouble code.

As for replacing the whole distributor, these days replacing the entire assembly has become common place and is likely cheaper with the competition from aftermarket parts and the fact that anything moving is prove to wear.
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04-13-2009, 08:26 PM
Post: #3
RE: MERCURY VILLAGER QUIT RUNNING
Rupe Wrote:Before jumping to conclusions double check to see if the cam has jumped time because that will also cause a stall and a trouble code.

As for replacing the whole distributor, these days replacing the entire assembly has become common place and is likely cheaper with the competition from aftermarket parts and the fact that anything moving is prove to wear.

Thanks for the quick replay. Now i think its the timing belt. Had someone turn engine over and found the rotor not turnning. whats your thoughts on this please. again thanks so much for your quick replay..
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04-13-2009, 11:08 PM
Post: #4
RE: MERCURY VILLAGER QUIT RUNNING
Why did I mention cam timing at 122k miles? (G)

On some engines you can see the cam by removing the oil fill cap. Others require removing the valve cover. Do that and have someone crank it over to see if that confirms your theory.

The cam belt (chain?) jumping a few teeth or breaking completely would explain those codes and the lack of spark.

BTW, this would be a good time to replace anything else on that end of the engine (belts, hoses, water pump) while things are out of the way.
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04-14-2009, 08:05 PM
Post: #5
RE: MERCURY VILLAGER QUIT RUNNING
sorry, i posted before i re-read what you said , and then caught the timing part. we'll do on the replacing of other hard to get to parts and im greatful to you for your advise. you were spot on.really nice site, and really nice folks here...Thanks so much.. doug
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