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I have a 1993 Cutlass Ciera that I have replaced the fuel filter , fuel pump , crank sensor ,...
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Problem for Oldsmobile 1993 Cutlass Ciera
Hesitation while driving
By JaredLGarcia on Oct 12, 2009
Car has rough idle and hesitates while accelerating. It takes a while the get to a point where it will speed all the way up and shift gears. I have taken it to a mechanic and the wires and plugs were changed, the timing belt was checked, the compression was checked and the fuel filter was checked, the O2 Sensor was also changed. It is from up north so it is rusty on the bottom of the car. The computer is reading a lean oxygen level because the car is running rich (ie too much gas is being given to the car) I was told it could be that there is water in the tank and so I am going to put alcohol in the tank to get any water that might be there out. I also have a VERY high NOx reading during Emissions test causing me to fail emissions. Any ideas would be appreciated. Engine is a 3.3L 3300.
Comments:
Oct 12, 2009
- The fuel pressure was checked and it is fine. Anything else it could be?Oct 13, 2009
- My model Oldsmobile doesn't have an ignition rotor or distributor.Oct 13, 2009
- The water pump checked out and there isn't an EGR valve on the car. Where would the pulleys be located?Oct 20, 2009
- The pulleys are fine and belt is relatively new. The air filter is clean as well.Oct 27, 2009
- The catalytic converter is new and clean. Installed earlier this year.Clarification Request
Posted by davesoucy on Oct 13, 2009
Also, did you change the ignition rotor (i believe you have on) Distribution cap?
Best Solution
posted on Oct 12, 2009
This could be a couple different things . did they test ur fuel pressure? Cause a lean code would be that the vehicle is not getting enough gas. The fuel pump may be going bad. A lean code for the o2 sensor doesnt always mean a o2 problem it also can mean fuel problems.
Comments:
Oct 13, 2009
- Well, How bout the EGR vavle ? I just worked on a vehicle that had a clogged egr valve but it wasnt throwing any codes. Also check the pulleys cause he had a water pump issue that was causing his car to hesitate an stahl . u need to pull the serpentine belt off to do this. Let me knowOct 13, 2009
- The pulleys are located on the passenger side of motor. The serpentine belts runs them. If u take the serpentine belt off u can check to make sure the pulleys ( water pump, power steering pump, idle pulley, tension pulley, ac pump if equipped) are not loose or freezing up. Now u said there is no egr valve . Where is the air filter located? Is it on the driver side an looks like a coffee can sort of?Oct 21, 2009
- What about the catalytic converter?Oct 27, 2009
- This is a good one!! Now u said u were gonna put a fuel additive in, did u do that? Im running out of ideas, but i would make sure there is no vacumn leaks or intake leaks. Check the emissions purge canister should b on the passenger inner fender under ac evap tank, make sure its not cracked an vacumns as well. Check the Pvc vavle as well. Let me knowYes
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Asker's Testimonial
"
It was a good thought but the fuel pump and fuel pressure checked out ok.
" - JaredLGarcia
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