Questions tagged [cel]
An acronym for "Check Engine Light" warning light on a vehicle's dashboard.
177
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Does cat removal disable check engine light?
If you remove the cat I imagine the ecu would have been reprogrammed to make it ignore o2 sensors readings? If so would this be considered a remap?
When Changing the ecu in this way would it cause ...
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1answer
34 views
Rough idle, loss of power and unstable RPM's with CEL
I have a auto BMW 330i 2010 UK; The car has not been serviced for almost 2 years (I will be getting it done this week. It was due service when I brought it, and then just never got round to it tbh). ...
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1answer
37 views
Can a disconnected srs system ground cause a check engine light?
Honda Civic coupe vti 1999.
I would think no since it is not related to engine and transmission?
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20 views
Turn vehicle off then on again and the right blinker is automatically on switch wasnt on when i switched car off
I turn my car on and then the right blinker is switched on . Why is that and the dash flashes aswell.
It wasnt on when turned ignition off and the engine light is on aswell but still not flasing ...
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19 views
Error code 58 on my Kawasaki Vulcan 1700 e9f 2009
Wot is error code 58 and how to fix it, my bike has been running great for around 17000 mils but now when I start it it runs fine but won't rev it's like limp mode,my bike has aftermarket exhaust ...
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1answer
73 views
Will my car pass emissions if all monitors pass scanner except EVAP monitor
I had toyota remove a P code off my 2010 1.8L corolla after a repair. I need to pass emissions in Arizona in the next 2 weeks. I went to AZ and they let me borrow the scanner so I plugged it and ALl ...
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1answer
80 views
Do Check Engine Light Codes get Stored in ECM if the check Engine Light turns off on it's own?
I have a 2010 corolla with 166k miles on it. I have never had any major issues with the car. This past Saturday I drove about 300 miles and just as I was about to get home I got 3 lights that turned ...
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2answers
79 views
If the check engine light is off does than mean your car is fine?
I been get heavy into the scanning tools lately on my Ford van (98 e150 5.4).
Anyhow... I'm layin into it deep like all these readins of temperatures and such.
For example, I see "head cylinder ...
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16 views
Check engine light goes on and off randomly on hills while in overdrive (OBD-1)
1990 Toyota Celica 1.6L 4afe, 5 speed
Recently the check engine light has been coming on while I am on the highway in 5th , usually but not always when going up a slight hill. If I keep driving ...
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53 views
Civic inspire s 2003 possible reason for lean fuel? P0171
I have little practical knowledge but am willing to learn. The check engine light keeps coming on, sometimes it goes out on its own but then comes back on.I would like to try and fix the problem ...
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1answer
162 views
Tacoma inducing monitors after resetting ECU
My 2006 Toyota Tacoma had a check engine light, which I decided to try to turn off for the purposes of vehicle inspection. I thought that was okay because the problem was not emission-related but ...
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61 views
2001 Camry P1135 Cause
Sorry in advance for the long post.
My check engine light in my 2001 Camry 4cyl recently came on with code P1135. Google shows that this is usually a faulty sensor. However, I noticed on some posts ...
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110 views
P171 Bank 1 running too lean - 2006 Mercury Milan
So I'm having this issue with my car and it only happened after I left it for around 2 months without driving. There is check engine code P171 saying System running too lean. I connected OBD2 reader ...
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657 views
Sudden rattling during acceleration, check engine light
I am trying to diagnose a problem, that suddenly occurred with my dci 2.0 Nissan Qashqai +2.
During acceleration, I heard a strange noise, after which the motor started sounding completely ...
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2answers
283 views
Lexus gs300 no throttle response
I have a 2005 Lexus gs300. Today while driving the car, it started to drop rpms while in drive.. as I drove further I was not able to get a response from pressing the gas pedal. The car can roll on it'...
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15 views
06 Toyota Avalon Sensor positions
Looking for help diagnoising a couple issues with my Avalon. I have some codes coming up, bad crankshaft sensor and bad camshaft sensor. I also have the cel, vsc, and trac light on. I tried replacing ...
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42 views
Check engine light on at 140km/h
I just bought an used Alfa Romeo 147 1.6TS 120cp. At high speed like 140km/h the car doesn't go more fast and the engine light is showing. After some short time the check engine is no more there. I ...
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2answers
18 views
Star Smog Checks
I have an MR2 Spyder with 80,000 miles on it runs great but the check engine light is on and the smog technician stated that even if I reset the check engine light it would still not pass smog no ...
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1answer
538 views
08 chevy suburban 1500 passenger airbag light is on and said it is disabled
I hav e a 2008 chevy suburban 1500 . The passenger airbag light is on and said is disabled, i have notice a wire like a usb connector cable that is hanging out of the glove compartment but i can not ...
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1answer
596 views
Ford Fusion Check Engine Codes
On Saturday the check engine light came on. This is a 2009 Ford Fusion. My daughter had just gotten gas so I figured it was gas cap related and did not panic. On Monday we had it checked at a car ...
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0answers
29 views
Check engine light error
My 06 Buick LaCrosse 3.8L has a check engine light that says that the MAP has a low voltage, so I checked the air filter. It was clean, then I changed out the MAP and the check engine light went off ...
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1answer
121 views
Engine light turn off sometimes and sometimes stays on
When I turn on the ignition of car, it shows the light of oil, battery and engine. Sometimes it tun off and sometimes stay on. When it turn off the car starts easily. when engine light stays on, car ...
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1answer
6k views
How do I reset my check engine light in my Kawasaki Z125?
How do I reset my check engine light on my 2017 Kawasaki Z125
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387 views
Opel astra H 1.6 16v 2006 battery and check engine light
I have an Astra H 2006 1.6 16V, and battery light and "check engine light" came on so I took it to the mechanic (in Sweden). They said it was an alternator problem (which I also thought to be the ...
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1answer
95 views
My mustang doesn’t accelerate. 120000 miles
My car turns on just fine. After a while driving it. The car loses power and it doesn’t want to even hit 10 mph. My check engine light is on, but the machine tells me it’s the oxygen sensors. Can ...
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1answer
377 views
2012 Mini Roadster S R59 P15DF code
wondering what else I can do to diagnose this. Here's some background and what I did so far:
2 weeks ago I replaced the throttle body. To be able to access it, I had to remove the intake manifold and ...
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2answers
406 views
Misfiring and loss of brake power
i have a 2004 VW Golf 4 which misfire and brake loss of power.
i have bunch of codes which i don't know how to go forward.
the codes are; 18321, 18034, 18020, 18014, 17839, 17924, 16725, 17580, 17952.
...
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338 views
Hyundai accent 2012 check engine light
my accent 2012 check engine light flashing until car warmed up in the morning, then it's turned off after 2 minutes, I have changed the spark plugs and ignition coils, but still have the issue, also ...
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0answers
65 views
Check engine light won't stay off
I've attempted to get my check engine light fixed a couple times and at each repair facility they've scanned the code and told me it was a bad oxygen sensor. I had the oxygen sensor replaced at both ...
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2answers
86 views
Will oil consumption decrease well before a check engine light tells you you have a problem?
I had a check engine light come on due to a o2 sensors which were giving a slow response but this was actually caused by a leaking flexi pipe which had been there for some time.
This case can lead to ...
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2answers
639 views
CEL after cleaning throttle body and replacing PCV valve - false negative?
Today I performed the following maintenance on my 2007 Subaru Outback 2.5i wagon:
Replace air filter
Clean throttle body
Replace PCV valve
Replace all PCV pipes
Replace throttle body gasket
The PCV ...
2
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1answer
86 views
Can low oil trigger the CEL?
I have a 2007 Chevrolet Impala V6 Flex-Fuel. Recently, the Check Engine Light came on. I decided to drive the car with the light on for a few days as my engine code reader was packed away. About four ...
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1answer
266 views
Check engine light just a glitch?
So I recently asked this question as I was getting the check engine light.
Is obd code P0133 anything to worry about?
Was investigating doing it myself and changing the o2 sensor didn't seem like a ...
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1answer
97 views
Temporary CEL when going uphill in overdrive at highway speed
I took a very long trip yesterday with a 1990 celica (4afe 1.6L 5spd) which I have owned for a few years. I guess the roads were more hilly than I could feel usually, because in overdrive going 60mph ...
2
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1answer
9k views
Mysterious Check Engine Light but no codes
On a recent business trip where I was, unfortunately, driving my wife's 2006 Toyota Camry, the Check Engine Light (CEL) came on after about 90 minutes of driving. I had no tools with me, but stopped ...
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3answers
42k views
Emissions check engine light on a Honda Civic
Would a dirty air filter trigger a check engine light "Check Emission System".
It is intermittent and seems to come on while driving on the highway when the ambient temp is below 0 C. Any ideas or ...
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3answers
135 views
Developing an OBD2 application - Engine Warning Lights
I am currently developing an application which retrieves diagnostic trouble codes from my car's OBD system and display any DTCs in a list.
However, as my car has no trouble codes I am unable to test ...
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2answers
2k views
Car goes into limp mode, but dealer can't find what is wrong
My 2009 Mustang GT, 44,000 miles, Manual transmission, sometimes goes into limp mode and the wrench light comes on. If I restart the car, it works again for a day or two until it happens again. Today ...
2
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1answer
244 views
Epc light after push starting VW Jetta 2001
I haven't used the car for over 3 months and I started it a couple days ago with no problem but today I couldn't manage to start the engine so I had to push start it.
Since then, both the check ...
2
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1answer
135 views
Diagnosing silent misfires
2003 Honda Civic EX (~230,000 miles) has been giving me misfire codes for a while, mostly on cylinders 2 & 3, but sometimes 4.
P0300 Random cylinder
P0302 Cylinder 2
P0303 Cylinder 3
P0304 ...
2
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1answer
257 views
What causes a code po300
2003 chevy Silverado has check engine light on but it flashes and won't go solid. It use to happen when it was wet or raining out but now its all the time. Could it be a ground issue
3
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1answer
76 views
Diagnostic connector broken; wires corroded and pulled out of the housing
1990 f150, XLT Lariat. Has been having idling issues, and the check engine light flicked on. I went to try and pull codes off, and realized that the wires inside the diagnostic connector had corroded. ...
4
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1answer
270 views
Is the vehicle code gone or does a mechanic have to clear it?
So my truck had an emissions leak for the longest time therefore the check engine light was on and I had a code on it. I just replaced some parts on the truck and the check engine light turned off. ...
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2answers
193 views
2004 Buick Lesabre
I have a 2004 Buick Lesabre. The check engine light came on so I had the code read. It was P0442. The gas cap was just sitting there so I tightened it. This has been a couple of weeks ago and the ...
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0answers
721 views
Check engine Light P2181: 2008 Audi A4 2.0T Convertible
2008 Audi A4 2.0T convertible Car has been to body shop to repair the bumper as it pulled off during parking incident. After I got car repaired this Check Engine Light came. P2181: Coolant System ...
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3answers
514 views
check engine light came on?
check engine light came on after starting the car, there was delay in the start for about 5 seconds and my car was sputtering and i couldnt go above 3000RPM i recently just got my spark plugs replaced,...
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1answer
4k views
Astra dashboard warning engine light on. Can I check fuses randomly?
My Car Vauxhall Astra Club Twinport, Maual, Petrol, 1598cc, 56 plate is currently showing constant engine light, which means there is some fault, but the car works fine.
Using the petal test I got ...
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2answers
76 views
2009 Camry I4 Intermittent Random Indicator Lights, Car Shutting Off
Two days ago I had the cruise control indicator come on randomly while driving. (I wrote it off to me accidentally pressing the button at the time).
Yesterday evening the car idled rough on start ...
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1answer
574 views
1997 Blazer, GM 4.3: Intermittant transmission symptoms. Key stuck, torque Converter and solenoid codes
Curious transmission symptoms the other morning. A few details to build the context:
First I was the OP for this question, same vehicle...'97 Chevy Blazer, 4.3, 4wd, 257k miles on the original engine ...
2
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1answer
305 views
What should a mechanic charge for a breather valve replacement? [closed]
I just got an estimate for a CEL on my 2007 Jetta. The diagnosis was:
valve cover with seal. Breather valve in valve cove has failed.
Is this a serious issue that I should get fixed now?
They ...
