ok i've been having this problem with the car bucking and missing every time i 1st start it when it is warm already and go to take off but normally it doesent throw a code... but yesterday

was driving to school going about 45 mph 5th gear then i go to accelerate a bit and the car just will not accelerate, it starts bucking and poping and the cel turns on.. code 43.... where should i start??

i have had this problem for a while, and seems like its getting worse and worse
(even before with the old 02 sensor)



btw

timing was checked on the flywheel last week was ok
02 sensor is only few months old (but not replaced with oem. its a bosch 4 wire)

 

I had the same. It's the fuzziest described CEL code in all. Try to put some injector cleaner into the gas tank and get on it.

 

yup, i battled the same code and never really figured it. when i tore the engine apart, two of the injectors looked pretty nasty so i assume they were the culprits all along. post up if you find anything deffinative

 

i think code 43 is fuel supply system, check your fuel pressure and have you done a tune up recently. could be something simple, always remeber the basics. good luck

 

Honestly I had the same problem with my Bosch 4 wire O2 sensor. I don't know exactly why but they don't always seem to work very well in our cars, so I was told. Switched to an NTK and problem went away. Try a better sensor and I can almost bet it'll be fixed.

 

oh i was also having this problem with the oem sensor too (when the car was NA)


ok. gonna start with injector cleaners/ and fuel filter.


keep you posted


Modified by chitownrida at 1:10 PM 9/28/2005