There are quite a few things that can cause the P0301 trouble code to trigger the Toyota Camry Here are the most common problems that will throw the code They are presented somewhat in order from most to least likely to be causing the code Bad Spark Plugs – Spark plugs are one of the most common causes of P0301Toyota Repair 01 Camry with p0301 trouble code Question Hi Ted, The other day while at a red light my car started to sputter It started fine and this was about 2 minutes into the drive My fuel tank was at about 1/8 The check engine light started to flash Got it home and read the code I tried several things, they are changing the spark plugs, #1 was black, definitely burning rich TheP0301 07 TOYOTA CAMRY code tech notes The P0301 code means that the cylinder 1 is misfiring or is randomly misfiring Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 1 If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes"
P0300 P0308 Cylinder Misfire Detected Causes Common Problems Diagnostic
