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Found 2 results

  1. LS430 P0325

    I'm looking for answers to my mysterious knock sensor code on my 2001 LS430 180k miles. P0325 Knock sensor circuit 1 is the code I am recieving. Trying to do some preventative maintenance I changed the spark plugs with NGK laser iridium. Prior spark plugs I believe were the Densos. I as well changed a leaky PCV hose and went ahead and did the valve. The car ran great for roughly a week or so and then the code came and hasn't left. I seafoamed the car as well after getting the code. If I reset the code the car runs great, but returns shortly. I notice a slight tick and pinging under hard acceleration. Any suggestion would greatly be appreciated! I changed the spark plugs again also hoping maybe one of the NGK's was gapped incorrectly. I've went over the harnesses looking for shorts. It just seems strange I change the spark plugs and a knock sensor decides to give out.
  2. My engine light was on for couple of weeks until I checked it, the codes are: -P0401 (EGR insufficient flow, faulty EGR, blocked EGR passages) -P0772 and P0773 (SHIFT SOLENOID "e" ELECTRICAL MALFUNCTION-ssv dsl) These are the 3 codes and their descriptions, my mechanic removed the engine light and advised to come back if the light pop back on. Well, it did come back with the same codes. I don't drive much (5-10 mi/day) and being a college student i try to fix only what is necessary. The car drives fine, no symptoms of any sort (besides leaking transmission and stearing gaskets). What is the EGR valve? what are the downsides of not replacing it? Do these codes represent any concern? thank you.