Check Engine Light
#1
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Driving along I recieved a check engine light on my 1998. The engine runs fine and has 78000 miles on it. What are the common possibilities for causes? Any help would be appreciated.
#2
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Originally Posted by Lexus V-12
Driving along I recieved a check engine light on my 1998. The engine runs fine and has 78000 miles on it. What are the common possibilities for causes? Any help would be appreciated.
if you cannot find anything.. just drive the car up to autozone and since your car would use a OB2.. they have the equipment to check n let you know whats the problem is (FOR FREE) ..
good luck !!!
#3
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sk gave u the best advice anyone can give. Go get the code scanned for free. Most places do it, Autozone's do it by default & most places in North America have one locally.
Write down any codes that come up. Get back with us & we'll let you know what the computer tells you is the problem is & then we'll go over what are the likely possible causes of the problem.
(If somebody called the doctor & asks, "I'm sick. What's wrong?". Could the doctor give you an answer? Not really.
The same goes for cars. If you tell us your check engine light is on & don't tell us any symptoms, or information about the CEL. We can't really give you an answer either.
We can give you several hundred guesses, but no real answer.)
Which is the great thing about computers now adays. For all intensive purposes, you don't *need* to know anything about your car if you don't want too. (Tho you should.)
All you *need* to know is how to descriptively describe anything that's going on & what the computer tells you.
![Smilie](https://www.clublexus.com/forums/images/smilies/smile.gif)
Write down any codes that come up. Get back with us & we'll let you know what the computer tells you is the problem is & then we'll go over what are the likely possible causes of the problem.
![Wink](https://www.clublexus.com/forums/images/smilies/wink.gif)
(If somebody called the doctor & asks, "I'm sick. What's wrong?". Could the doctor give you an answer? Not really.
The same goes for cars. If you tell us your check engine light is on & don't tell us any symptoms, or information about the CEL. We can't really give you an answer either.
![Frown](https://www.clublexus.com/forums/images/smilies/frown.gif)
Which is the great thing about computers now adays. For all intensive purposes, you don't *need* to know anything about your car if you don't want too. (Tho you should.)
All you *need* to know is how to descriptively describe anything that's going on & what the computer tells you.
#4
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Believe it or not, a possible cause is that the gas cap is not tight enough. That happened to me. I removed the cap, replaced it securely, until it clicked a couple of times, and removed and then put right back in the fuse in the engine compartment for the engine control unit, in an attempt to reset the 'Check Engine" light. It worked. It may not be necessary to pull the fuse, but I did it anyway.
#6
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What in the hell...
Toyota/Lexus/Scion OBD-II
The longest stored codes are 2, to 3 trip codes. But just because it should trip on 2-3 trips for most things, doesn't mean it will.
He still needs to scan the code. Random, blind troubleshooting is not constructive.
Toyota/Lexus/Scion OBD-II
The longest stored codes are 2, to 3 trip codes. But just because it should trip on 2-3 trips for most things, doesn't mean it will.
He still needs to scan the code. Random, blind troubleshooting is not constructive.
#7
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Alright guys we have 3 codes that came up
P1155 Alternative Fuel Controller (2 times)
P1153 Bank 2 Fuel Control Shifted Lean
1998 with 78,000 miles on it (1mz-fe)
Thanks a lot guys for all the help I did not know about autozone free diag. Anywhere you go its 70 plus dollars for ONLY diagnotic, great tip.
Oh and the guy erased the codes when he did it (10:00 AM) and it was back on 30 minutes later!![Egads!](https://www.clublexus.com/forums/images/smilies/pat.gif)
Please Help!
P1155 Alternative Fuel Controller (2 times)
P1153 Bank 2 Fuel Control Shifted Lean
1998 with 78,000 miles on it (1mz-fe)
Thanks a lot guys for all the help I did not know about autozone free diag. Anywhere you go its 70 plus dollars for ONLY diagnotic, great tip.
Oh and the guy erased the codes when he did it (10:00 AM) and it was back on 30 minutes later!
![Egads!](https://www.clublexus.com/forums/images/smilies/pat.gif)
Please Help!
Last edited by Lexus V-12; 03-26-06 at 03:49 PM. Reason: not clear
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#9
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my o2 sensor is broken on my es300 96', the dealer said only original factory o2 sensor would work, not any after market o2 sensors. is that true or are they just trying to rip me off? thanks
#10
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the dealer said only original factory o2 sensor would work, not any after market o2 sensors. is that true or are they just trying to rip me off? thanks
![Woot](https://www.clublexus.com/forums/images/smilies/woot.gif)
buy your own sensors & change them yourself.
#11
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Originally Posted by Lexus V-12
Driving along I recieved a check engine light on my 1998. The engine runs fine and has 78000 miles on it. What are the common possibilities for causes? Any help would be appreciated.
#12
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Originally Posted by Lexus V-12
Alright guys we have 3 codes that came up
P1155 Alternative Fuel Controller (2 times)
P1153 Bank 2 Fuel Control Shifted Lean
1998 with 78,000 miles on it (1mz-fe)
Thanks a lot guys for all the help I did not know about autozone free diag. Anywhere you go its 70 plus dollars for ONLY diagnotic, great tip.
Oh and the guy erased the codes when he did it (10:00 AM) and it was back on 30 minutes later!![Egads!](https://www.clublexus.com/forums/images/smilies/pat.gif)
Please Help!
P1155 Alternative Fuel Controller (2 times)
P1153 Bank 2 Fuel Control Shifted Lean
1998 with 78,000 miles on it (1mz-fe)
Thanks a lot guys for all the help I did not know about autozone free diag. Anywhere you go its 70 plus dollars for ONLY diagnotic, great tip.
Oh and the guy erased the codes when he did it (10:00 AM) and it was back on 30 minutes later!
![Egads!](https://www.clublexus.com/forums/images/smilies/pat.gif)
Please Help!
#14
![Cool](https://www.clublexus.com/forums/images/icons/icon6.gif)
Just like an o2 sensor isn't an o2 sensor. It's a lambda, or heated lambda sensor, or an EGO, or HEGO sensor.
3,000 names, but everyone knows what part you're talking abot.
3,000 names, but everyone knows what part you're talking abot.
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