Quote:
Originally Posted by patriot777
I'm new on here and have a 99 Villager that has had a knock sensor code for years. Today I noticed the check engine light blinking while my van was idle and warming up so I turned it off. I gave it a few minutes and then took it out on the road and the blinking did not come back. I pulled the 5 codes as I have a diagnostic tool. Two of the codes are repeats. Please help! I'm not worried about a simple bad knock sensor but the blinking got my attention. Here are the codes:
P0325 Knock Sensor 1 Circuit Malfunction Bank 1 or 1 Sensor
P0300 Random/multiple Cylinder Misfire Detected
P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
*These codes show up a second time
P0325 Knock Sensor 1 Circuit Malfunction Bank 1 or 1 Sensor
P0300 Random/multiple Cylinder Misfire Detected
I have no idea where to start. I have seen lots of talk on the knock sensor but I havent found anyone with these exact codes. Any help would be appreciated!
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First thing is DO NOT REPLACE KNOCK SENSOR. the random missfire is setting the knock sensor code and is a waste of money to replace.
Second you need to find your missfire. Take a look at the wire, plugs and the distributor cap, rotor and distributor itself for any odd burn marks inside cap or by the coil. The distributors are a common fault on these vehicles. How many miles on vehicle???
Once you get the missfire fiqured out then check the precat oxygen sensors heater circuit for broken wires, if OK then you will need to replace sensors..
Here is a video that may interest you on the distributor:
http://realfixesrealfast.com/realfix...t_Misfire.html
Welcome to the forum