Suzuki Forenza Problem Report

Suzuki Forenza Check Engine Light on With Code P0133

(39 reports)

The Check Engine Light may illuminate accompanied by a code P0133 (bank1 O2 sensor) stored in the powertrain control module (PCM). This is commonly caused by a failed air/fuel sensor. Our technicians tell us a revised a/f senor and (PCM) software upgrade may be necessary to correct this concern.

ENGINE LIGHT STAYS ON EVERY TIME I TAKE IT TO THE DEALERSHIP FOR REPAIR I AM TOLD THAT THR ERROR CODE INDICATES O2 SENSOR IS BAD...WELL I HAD IT CHANGED 3 TIMES...STILL THE ENGINE LIGHT REAPPEARS THE NEXT DAY OR AFTER I DRIVE IT FOR AWHILE. I NEED HELP IT THERE MUST BE SOMETHING ELSE RELATED TO THE O2 SENSOR THAT THE MACHANIC IS MISSING OR OVERLOOKING. IF ANYONE OUT THERE HAS SEEN THIS PROBLEM AND KNOWS AN ANSWER PLEASE LET ME KNOW...IM GOING NUTS...THANKS -
CODE P0133 CAME ON! THE CRAPPIEST CAR IVE EVER HAD! HAS TO MANY PROBLEMS, FIRST TRANSMISSION CENSOR NOW THIS! -
i have p0133,,, p0128 -
ck engine light on. pedal sensor out. put new one on,problem still exists. i have stalled out in traffic while this problem exists and almost been hit three times on the open road by other drivers. suzuki will not honor it under the warranty. they wont do a recall on the part. it is a safety hazard on the road. they say it is a part of routine maintenance. someone is going to get hurt or killed by this problem. -
A lack of power may develop, accompanied by an illuminated Check Engine Light with fault code P2106 stored in the powertrain control module (PCM). This fault can be caused by a throttle actuator which has only limited movement. The correction for this condition includes replacing the throttle actuator and updating the PCM software. -
well a had it changed the O2 Sensor, inthe light stay on next day aafter drive 30 milles I certain believe is the PCM (Power train control module) after replace air filter, engine oil and spark plugs -
this has been a problem for my car. i bought a year ago and i already had to replace my transmission and now this i bought this car at 50000m. I am very unhappy with this model. -
I was told I need a new trany and the cluck when I revers is the other problem this 2007 forenza has and even other dealers know about it why is this I can't regester my car because of it -
Just found out I had this issue, took it to Pep Boys and they did a free check engine light code retrieval, I don't know the cost at this time to fix the problem but I was relieved to find out it wasn't a more severe problem... -
My check engine light went on took it to Pep-Boys for free code retrieval it showed P0133 indicating slow response in bank 1 O2 sensor, then took it to my mechanic who ran a diagnosis, turns out it was the MAP sensor easy fix.. You see when the MAP sensor fails it will send various codes in an attempt to locate the correct code that's a system of what may occur with a failing or failed MAP sensor. -
It shows "check" on the instrument board. -
from were we get car part throttle position senser is bad since 2 year -
I purchased my Forenza from a private owner. Ck engine light with this code is constantly on. I don't notice any difference as far as the car running poorly. I'd hate to replace the sensors and or catalytic converter now that I know that this is a common problem in these vehicles. -
ODO, WILL NOT SHIFT -
CEL come on steady, car loses ability to accelerate, then CEL will blink for the remainder of the trip until after it is parked & presumably cools down. In mild temps, the CEL is not lit at ignition, but comes on after a few minutes as engine temp rises to normal range. Reads three CODEs: P0302 misfire (2nd time to mechanic to determine how & where misfire is taking place; new plugs installed; no misfire for 1 month). This car spends most of the time in parking space due to owner's illness; Second CODE:P0420 CAT efficiency below threshold; Third CODE: P0133 O2 circuit slow response [B1, S1]. Mechanic states that "this last code may be setting the other two off - could also be the PCM or it's wiring.Several TSBs on this subject." No one knows what to do. Suzuki service now performed by VW dealership 30 minutes away from my home & they're lost in the Suzuki. Only service available is at VW dealer which charges $230 to diagnose. If no diagnosis is made then there will be further charges just to diagnose. I hate this car. -
Lack of power, hesitation and check engine P0133 illuminated -
This is the second time I have this issue. The air/fuel sensor was replaced approximately 3 years ago when this care developed this loss of power issue. The check engine light comes on and the car acts as though it is stuck in 3rd gear. Very disappointed that this sensor issue keeps arising. -
O2 sensors issue...PCM issue...car loses power on steep hills... -
not fixed yet engine light just came on today loss of power !!!11-23-2012 -
Engine light on. Dealer replaced one o2 sensor, then the cat. converter, then the computer, now replacing second o2 sensor. This has been a 4 week process, and Suzuki makes it too complicated. Dealer( in IL) has to get pre-approval from Suzuki ( in CA) to fix anything, then wait for part to be mailed. -
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