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Need some help, please?!?! Oxygen Sensor??
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cassi1983
New User
Mar 24, 2008, 8:45 AM
Post #1 of 6
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Need some help, please?!?! Oxygen Sensor??
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I have a 2002 Chrysler PT Cruiser..... here's what it's doing: - It sometimes hesitates when accelerating, does it as it pleases, it seems.
- It's getting poor gas mileage, especially for a 4 cylinder
- When idling the RPMs jump up and down. It sounds like it's going to stall, but doesn't then the RPMs come back up to normal.
- The check engine light came on, blinked on and off a few times, then went off and hasn't come back on again.
My dad, brother and I are thinking the oxygen sensor, but the check engine light doesn't stay on. Any help would be greatly appreciated. Thanks.
~Cassi~
(This post was edited by cassi1983 on Mar 24, 2008, 11:28 AM)
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way2old
Veteran
/ Moderator
Mar 24, 2008, 3:43 PM
Post #2 of 6
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Re: Need some help, please?!?! Oxygen Sensor??
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Before replacing parts, have the codes read. Even if the light is not on, the codes are stored in the computer. Major parts houses will read the codes for free in hopes you will buy the part from them.(Autozone--Pep Boys and a few others) Please get the EXACT code number and post back. They usually want to tell you what is wrong. Remember, they are parts people, not necessariloy technicians/mechanics. We will be waiting on your reply.
Being way2old is why I need help from younger minds
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dmac0923
Enthusiast
Mar 24, 2008, 6:18 PM
Post #3 of 6
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Re: Need some help, please?!?! Oxygen Sensor??
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like way2old said, you def need the codes scanned. at first glance if i had to guess, i would say your problem is more on the intake side. not your 02 sensor. i would check your Air filter, MAF sensor, TPS sensor, IAC valve and overall Throttle body cleanliness
__________________________________________________
2015 Jeep Grand Cherokee
2002 Ford Ranger
2004 Toyota Corolla
1969 Ford Mustang Mach 1
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cassi1983
New User
Mar 24, 2008, 11:30 PM
Post #4 of 6
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Re: Need some help, please?!?! Oxygen Sensor??
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I had Auto Zone hook it up to their computer thing and they said it passed, that there was nothing coming back as wrong. I checked the air filter that same day and it was clean.
~Cassi~
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dmac0923
Enthusiast
Mar 25, 2008, 2:03 PM
Post #5 of 6
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Re: Need some help, please?!?! Oxygen Sensor??
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try cleaning the MAF sensor. IAC valve and TPS sensor
__________________________________________________
2015 Jeep Grand Cherokee
2002 Ford Ranger
2004 Toyota Corolla
1969 Ford Mustang Mach 1
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way2old
Veteran
/ Moderator
Mar 25, 2008, 3:49 PM
Post #6 of 6
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Re: Need some help, please?!?! Oxygen Sensor??
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Also get some throttle body cleaner and have the throttle bore cleaned really good. Just follow instructions on the can.
Being way2old is why I need help from younger minds
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