See the steps and fix it. God bless you
When you turn the ignition ON before starting the car, the "Check
engine" light is supposed to come on indicating that the engine computer
(also could be called ECM, PCM, or ECU) is powered on. If the "Check
engine" light does not come with the ignition ON, it's possible that
there is no power coming to the engine computer (e.g., due to a broken
wire, faulty main relay, burnt fuse, etc.) or that there is a problem
with the engine computer itself.
SOURCE: 2003 Nissan Altima 2.5S, Check Engine Light Problem.
this problem could be caused by the mass air flow censor, i had the same problem with my car. it is really pricey at the dealer so you might want to check elsewhere for this part. I found one at a scrap yard for 85% less that the dealer and i also got life time warranty, the dealer does not offer any warranty on this part.
SOURCE: MY SUZUKI G V check engine light came out and engine is kind of
sounds like a dead cylender. check fire, plugs,compression. if all test well could be a partialy clogged injector.
SOURCE: Suzuki Baleno (esteem) 1999. Engine Idle RPM not stable
you probably need to check the butterfly. its the compinent that controls how much air goes into the engine if it is weared than in idle state air leaks into the engine sometime more sometimes less and cause fluctuations in rpm
secondly there is a rpm switch which controls the rpm you can replace that switch and check
SOURCE: Suzuki Baleno '95 Tail Lights
i think you should take it into the dealer ship you might just have a short in the switch or wiring try and see if there are any relays and replace those first that just might be the problem and it will save you a lot of money then just taking it into the shop and them charging a ton of money for a such little work
SOURCE: My check engine light is on and it often shakes
Bring it in so that the check engine light will be off and it will run smoother.
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