Questions tagged [cel]

An acronym for "Check Engine Light" warning light on a vehicle's dashboard.

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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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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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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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1answer
101 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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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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30 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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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
294 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
380 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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26 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
51 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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3k 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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198 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
59 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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240 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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214 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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257 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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60 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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67 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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448 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 ...
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1answer
66 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
163 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
81 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 ...
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1answer
4k 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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27k 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
129 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
1k 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 ...
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1answer
167 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 ...
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1answer
103 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 ...
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1answer
117 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
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1answer
55 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. ...
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1answer
228 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
168 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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621 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
435 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
3k 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
72 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
281 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 ...
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1answer
176 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 ...
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1answer
80 views

Why does the check engine light have a pulley on top?

We've all seen the check engine light. It's not an entirely bad representation of an engine -- You have the accessory pulley on the left hand side, and something on the right, perhaps a connection to ...
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1answer
34 views

EVAP Leak One Day After Engine Work - Unrelated?

I have a 2012 Ford Focus that was idling rough. I brought it in to a local shop who showed me some very corroded spark plugs. They replaced the plugs and also an air filter. When I picked up the ...
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355 views

1UZ-FE 89-94 Lexus Sc400 low rpm and shaking with AC turned on

Friends. Seeking for help with my 1993 SC400 / Soarer 4.0L, Automatic gearbox, equipped with first revision of 1uz-fe Car was standing for last 7 years, later we begun restoration process. -- the ...
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2answers
1k views

Unexplained Low LTFT on my Mazda cx7 2.3 turbocharged

So, it started when i got CEL with code p0172: system too rich bank1. I took the car to the mazda dealer, they said you need to replace MAF sensor. I agreed and got the new sensor installed. Now CEL ...
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48 views

Need help fast with my truck please

My 1994 dodge Dakota v8 starts fine and ildes fine. If I drive for about 10m my engine light comes on and my code for the 02 sensor goes off. My truck is straight piped and has no cat it has a steel ...
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1answer
1k views

Broken catalytic converter 7 engine damage

I have a 2017 vehicle that after 2,500 miles had the check engine light go on and went into limp mode. After 3 times in 2 different dealerships, it was diagnosed with a broken catalytic converter. I ...
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2answers
99 views

1998 saab 900 2.0turbo automatic

I was wondering if anyone had any clues of what could possibly be the problem with my car. It's a Saab 1998 900 with 2.0turbo I've had my engine code checked about 4 times by 4 different people. All ...
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1answer
269 views

Bolt SITTING in car after Head Gasket repair?? 2005 honda civic won't go above 4,000 rpm

2005 Honda Civic won't go above 4,000 RPM--CEL throwing P2646 ('A' Rocker Arm Actuator System Performance / Stuck Off Bank 1) Just got my head gasket replaced, but then CEL came on so I took back to ...
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1answer
3k views

P2646 after Head Gasket Replacement…WRONG or NO OIL?

I just had my head gasket replaced on my 05 civic... Driving city speeds felt fine, but I did notice a little bit of rattling, which I thought was just a new sound she would make due to the engine ...
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1answer
781 views

P2118 Motor Current Range/Performance

We were trying to solve an issue with the taillight on our 2004 Toyota Camry when we saw the check engine light come on. I checked the code and it was P2118. A little backstory: when checking the ...
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614 views

350z limp mode and low oil

My 350z went into limp mode while I was highway driving, and the check engine light came on. I noticed that the oil was nearly nonexistent, and added oil. The car still wouldn't get out of limp mode. ...