Replaced Knock sensor, camshaft position sensor, change fuel filter and cleaned EGR Valve

Asked by Feb 26, 2017 at 01:42 PM about the 2000 Subaru Outback

Question type: Maintenance & Repair

My soob stalled and cranked but no start...
Error codes were
Po325, po400, po483
Replaced Knock sensor, camshaft position sensor,
change fuel filter and cleaned EGR Valve
Still won't start, but does crank.

What is the next thing to check

12 Answers


Have you checked for fuel and spark?


When did you last have your car professionally SERVICED??? And, how many miles on your car??


I imagine that you have already changed your timing belt, maybe twice?? A misaligned camshaft is a pretty big problem.

Stupid question I think but if oil got on timing belt could that be cause the problem


Michael, no question is stupid.... I do believe that you're not supposed to have oil on the timing belt... Oil , like any lubricant can cause the belt to shift out of alignment and slip... That probably is a big factor.... My question is how did oil get on your timing belt??? I would bring this car to a professional mechanic.


Oil on the belt would be a problem IF the belt slipped time.


I imagine you have a professional mechanic who has worked on your car??? Sometimes it's better to get this work done by a professional... IF your car is in really nice condition, the price to get it fixed correctly is worth it. Your car is pretty old at 17 years, you might consider retirement soon...Or maybe in a few years... The last car I kept to 20 years really cost me a disproportionate amount in the last couple of years...


F_O_R -- Thanks, seems like we agree....

Thanks for the help... gonna get it a shop tomorrow

Get it to the shop


my car had the same problem and it turned out my fuel pump had a crack in the sending unit.I had to replace the whole thing . It wold crank but not start at all


Check for fuel, as Keith's guess is the most probable.

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