2002 buick lasabre jerking back

Asked by Nov 28, 2016 at 01:03 PM about the 2002 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

I have been trying to figure out what's wrong with
my 2002 Buick LeSabre for almost 2 months now. I
have changed the EGR valve I have done a full tune
up with new coil packs I have checked the
compression on my engine which was good I have
had a brand new oil change I have changed the
catalytic converter have change the downstream
O2 sensor have changed the EGR valve I have
check for vacuum leaks which came back good I
have also check the fuel line in the fuel injectors
which also came back good. I also have a brand
new battery along with a brand new alternator and
serpentine belt all this has been put on in the past
1 month. My engine light, ABS light and traction off
light are all on. My engine light detail is saying it
has to do with the catalytic converter but I have a
brand new catalytic converter every time I drive my
car it jerks back on me can anyone tell me what
could be the issue because I cannot figure this out
and I'm tired of pouring money into this car

2 Answers

109,505

Can you post the actual OBD codes?

3 people found this helpful.

my mom has a 2005 buick lesabre it bucks like a horse some times i paid the cadilac dealer to diagnois it they said it was the salinoid pack in the transmission that needs to be replaced god bless you

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