yeah get that stuff changed

 

I had the same problem yesterday, my engine started shuddering in drive mode, Cant figure out what the problem is. I dont even know how to get the codes on the dash since I have never done it before. Can anybody help

 

I had a similar experience it turned out to be my Ignition Control Module, just an fyi.

 

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yeah so its been a while since i got back to what happened....
changed the fuel filter, get this turns out its the same filter since the car was made 1999!!!!!!!! i thought it was skandalous the two previous owneres never changed it before. ever lol

next i replace both o2 sensors, if you get them at kragen or autozone (around $240 for both) youll save about $200 than if you went to the dealer and good quality too, Bosch

then i replaced one of the ignition coil packs and boot due to it being broken
this i purchased at the dealer just cause it looked more durable than the other ones

changed the oil, sparks, oil filer, air filter, cabin filter

new downpipe due to an exhaust leak between the cat and downpipe
just waiting for exhaust clamp connector to connect it back together

these codes came out when i scanned the car
P0303
P1198
P0140
P0422

the car works a whole lot better before i would start it up and it would begin to shake every 3-6 seconds on and off and when you would put it on drive you would step on the gas and it would hesitate to take off and it would feel like the engine wanted to get out of the car. it would take forever to reach 40mph but now its heck of a lot smoother plus the check engine light is officially off so its all gravy =D just need new tires for it now and a new timing belt complete with new waterpump and fan clutch would make the car feel brand new again