I am get jerking and stalling while driving, my reader say 0325 knock sensor
The knock sensor is located under the intake manifold. Not an easy job to change without some experience.
The knock sensor symtoms for this villager is that all of a sudden without anything else happening, the engine will rough idle. It can still be driven barely. If you are on the freeway, it will smooth out somewhat at higher speeds. Once you slow down, the rough idle will return. Changing the knock sensor requires removing the upper and lower intakes and it is not easy. Someone with basic mechanic experience can do the job but allow 2 days to complete the work. Change the timing belt while verything is apart.
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SOURCE: where is a knock sensor for 1998 Mercury Villager located?
Here is a image of it's location, I hope it helps.
SOURCE: Code reader knock sensor where is it located
According to the Haynes manual it is under the intake manifold, Upper and lower intake manifolds must be removed for access. If you go to Auto Zone, they have the sensor and can give you the step by step instructions to replacing the knock sensor with common tools. Good luck and hope this help.
SOURCE: 2000 mercury mountaineer jerks when driving
thinking here honest i am but - iam thinking that whoever done this work for you has taken money under false pretences as they didnt cure the problem and they should have known what was wrong before they tampered with this vehicle,now a europeon mechanic who know nothing about these cars so try a direct a question to emmisionwiz as hes a ford mechanic so he should have a better idea than me on this but have you re-gassed the AC by anychance recently and put too much gas in the system as this will cause the vehicle to **** but other than that ni idea without my head under the bonnet
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