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Most likely not, but it depends on the start-up circumstances, and on the make and model year of the car.
If you car is newer (within the last 10 years ), the answer is almost certainly no.
If it is a cold idle problem, then it is certainly not the O2 (it's signal is not even used by the ECU in that mode).
Your problem is more likely a vacuum leak, injector problem, or throttle body/position sensor issue.
Do you have a "check engine" or "Service engine soon" light that is on ?
What else can I help you with?
How do you know cam sensor bad?
i think it causes bad/rough idle
Where is the MAP sensor on a 1999 Nissan Altima and could this sensor cause a rough idle if bad?
YES it does. It should be close to intake.
Will bad oxygen sensor cause rough idle?
Not likely but possible. I would suspect a leaking vacuum hose.
What are symptoms of a bad throttle position sensor?
A bad throttle sensor can cause several problems. Symptoms include rough idle, loss of power, and even power surges while driving. .
What causes 1991 Honda civic to run rough in gear at idle but runs ok when taken out of gear?
Bad oxygen sensor
Dodge Ram 1500 rough idle?
The Dodge ram 1500 rough idle can because by a bad spark plug or spark plug wire. The rough idle can also because by a bad camshaft.
Why would a 1992 geo tracker lsi 4x4 start up and run rough for four minutes then smooth out and idle down?
one of ur sensers are bad. i would look at the idle air sensor or coolant tempuratur sensor
How can you stop the rough idle on your ranger?
Check your spark plugs and wires, make sure they're good and no electrical leak or maybe vacuum leak. Bad MAF sensor- Get new one NOW !
What might cause a 2001 Chevy Impala to idle up and down?
A bad idle air control sensor or a bad throttle position sensor.
Ford Ranger idles rough?
Have the computer scanned for trouble codes. The problem may be a bad Throttle Position Sensor (TPS) or Idle Control Valve (ICV).
1993 subaru legacy rough idle- what could be causing it?
If an alternator is going bad it can cause a rough idle in a 1993 Subaru Legacy. Cold temperatures in the winter can also cause a rough idle in the Subaru Legacy.
Will bad fuel pressure regulator on 1992 Legend cause a rough idle?
many different factors can result in a bad idle on a vehicle. some of them is the fuel pressure regulator, the throttle positioning sensor (located on the throttlebody) and faulty plugs & wires, or fuel injectors
