2000 Lexus LS400 Rough Idle-Misfire Codes P0300, P0302, P0307
#1
2000 Lexus LS400 Rough Idle-Misfire Codes P0300, P0302, P0307
My mothers 2000 Lexus LS400 with 81,000 miles will start up and run fine for less than 1 minute, then a rough idle begins where it feels like a couple cylinders are out. My friend ran a scanner to see P0300, P0302, P0307. Has anyone seen these codes and have any recommendations?
Thank you,
Don
Thank you,
Don
#3
My mothers 2000 Lexus LS400 with 81,000 miles will start up and run fine for less than 1 minute, then a rough idle begins where it feels like a couple cylinders are out. My friend ran a scanner to see P0300, P0302, P0307. Has anyone seen these codes and have any recommendations?
Thank you,
Don
Thank you,
Don
#6
Coolant temp sensor? Put your code reader in realtime data mode and check it's value as the engine warms up. 2nd guess would be your MAF sensor, or fuel pressure issues.
Last edited by djamps; 06-18-17 at 09:22 AM.
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