1996 Lexus es300 - cylinder 5 misfire
#1
Driver School Candidate
Thread Starter
1996 Lexus es300 - cylinder 5 misfire
I have a 1996 Lexus es300. The check engine light came on and the code reads 'P0305 indicates that Cylinder 5 had too many misfires within a predetermined period of time'. I replaced all 6 spark plugs, changed the 3 plug wires, and checked that the ignition coils met the test specifications. The car still seems to be misfiring. Any ideas why?
Last edited by surfing; 03-19-17 at 06:04 PM.
#3
Lexus Fanatic
If you don't get anywhere swapping coils do a balance test by disconnecting the injector connector on the suspect cylinder. Does the engine idle smoothly or does it sound like there is a miss? Listen closely at the tail pipe.
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