"Check Engine Light"

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95 Honda civic ex, OBD port not giving check engine light codes

On my 95 Honda civic ex, the check engine light has been on for a while, so I wanted to check what for. I looked up where to find the OBD port, and found it under the glovebox. It looked somewhat like ...
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1answer
60 views

Drive cycle procedure for a 2001 Hyundai Accent

I have 2001 Hyundai Accent L 1.5 liter, 4 speed stick shift. The Check Engine light is on. The code that is coming up is "EVAP under lean P1128 Fuel Trim Lean". All other monitors are good. I need to ...
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1answer
3k views

2000 Camry P0446 Evaporative Emission Control System Vent Control Circuit Malfunction

I have a 2000 Camry with 86,000 mi the check-engine light came on 4 days ago. It has come on intermittently in the past and then shut off itself. This time it hasn't gone away. A Code reader shows ...
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30 views

Knock sensor ground and dieletric grease

The knock sensor for my 2001 Subaru Outback grounds through the engine block. I've seen various advice about whether to put dielectric grease on the underside (where the grounding takes place). Some ...
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3answers
1k views

Will a universal catalytic converter set off the check engine light on an Infiniti G35?

I have a 2004 Infiniti G35 and the bank 2 catalytic converter has triggered the check engine light. If I replace it with a universal Magnaflow catalytic converter (approximately $100) will the check ...
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1answer
58 views

E46 Check engine light on at high altitude

In my E46 BMW, the yellow check engine light always turns on when visiting Lake Tahoe (altitude ranging from 6000-8000 feet). It usually turns off if I've been there for a couple days. After many ...
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44k views

Check Engine code P0420 Catalyst efficiency below threshold bank 1

After months of normal driving with no problems, my 2003 Honda Civic EX check engine light came on during a long trip. Got it scanned and it's P0420: Catalyst efficiency below threshold bank 1. They ...
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1answer
124 views

2001 civic won't accelerate when pressing gas petal..?

For the past few days my check engine light has been on. Whenever I try to accelerate, the car will not go very fast at all, no matter how hard I press it, all the way down, halfway, doesn't matter. ...
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1answer
65 views

03 Ford Escape V6 Oil/Coolant/check fuel cap lights

I just had my oil changed and had coolant put into my car a few days before Christmas. Also, bought a new fuel cap the same day. All of these lights are still on and I have no idea how to make them go ...
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68 views

Truck won't crank; no sound from starter relays

I have a 1997 Expedition, which badly needed a tune up: the motor was shaking. I changed the plugs, which stopped the shaking; two days later the truck won't start. The battery is hot and the lights ...
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1answer
34 views

How long after changing a battery will it take for the Engine Check light to come on if there are other issues

My check engine light was on. After my car set over the weekend it wouldn't start. I took the battery down to a shop to be checked and charged. When I picked it up they said I needed to replace it. ...
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2000 Toyota Camry, check engine light at 164,450 - what does this mean? [duplicate]

I purchased this car used just one year ago, and the check-engine light just came on yesterday. I'm not used to having a Toyota, or even a car - all my previous vehicles, for the past 15 years, have ...
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21k views

How do I resolve error code P1135 in my Toyota Camry?

I recently replaced the downstream O2 sensor in my Toyota Camry. Shortly thereafter, the check engine like came on again providing the following codes: P1135 which I understand to be the upstream ...
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4answers
205 views

Should I Replace my Thermostat? If yes, how?

Earlier this year, I had my CEL come on on my '05 Mazda 3 due to P0128 (asked about here). I cleared the code, and it never came back. Six months later, I have the code P0126 come up and now I'm ...
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43 views

OBDII Codes P0304 and P0430

On a 2005 Lexus RX330: P0304 Says cylinder 4 misfire. What is the cause and is it a big job to fix? P0430 Says catalyst system efficiency below threshold - Bank 2. Is this a big job? How much ...
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10k views

'Check Engine' code P0171 System Too Lean - Is it safe to drive?

My 2003 Toyota Corolla's Check Engine Light came on. I read the codes using an OBD code reader and got P0171 - System Too Lean (Bank 1) and P0133 - 02 Circuit Slow Response (Bank 1, Sensor 1). The ...
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239 views

2003 Nissan Sentra with fault codes P0462 and P0500

My car has the P0462 (Fuel Level Sensor low input) P0500 (Vehicle speed sensor circuit fault) but both the speedometer and the fuel gauge appear to be working normally. However the tach bounces ...
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351 views

2004 Jetta - Secondary Air Injection System Incorrect

My check engine light came on and I took it to the parts store to get the computer read. The error that came up is Secondary Air Injection System Incorrect. and the probable causes listed were: ...
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2answers
1k views

How can I test my EGR?

My check engine light has come on a couple of times, and each time the code was P0300 Random Misfire detected. According to this site, one cause could be a bad EGR. Another symptom of a bad EGR is ...
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16k views

How serious is the Engine System Service Required message on a Volvo V50 2007?

I got a 2007 Volvo V50 last week and the "Engine System Service Required" message has appeared. how serious is that message and can only a Volvo garage do the diagnostics? It has done 41000 miles. I ...
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246 views

P0442: Faulty EVAP System

After seeing my CEL come on in my '05 Mazda 3 (just passed 100K mi.), I used my code reader to find out that the code was P0442. So I naturally came to this website to see what I could find on the ...
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1answer
1k views

Does it make the most sense to replace an old car's entire exhaust system all at once?

Back story: The Check Engine light came on in my 2005 Chevrolet Malibu LS Sedan (V6 3.5L). I took the car to a mechanic #1 (M1), an independent shop. They replaced the EGR valve. A day later, the ...
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3answers
596 views

Do the Check Engine and Oil Pressure lights have any significance when the engine is off?

I should preface this by saying that I'm a relatively brand new driver, and I know next to nothing about cars. I've got a 2005 Chrysler Sebring, and I've noticed just today that when I put the ...
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2answers
6k views

2005 Dodge Ram: easy way to diagnose code P0420?

My truck is reporting a code P0420, which apparently is "Catalyst System Efficiency Below Threshold (Bank 1)" which can either be the catalytic converter or the rear O2 sensor. The code came on at ...
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97 views

2005 Volvo S60 loses power

I have an '05 S60 with about 92,000 miles on it. Recently, while driving at a constant speed the car will lose power for a couple seconds- the rpm's drop and then the car will recover and run ...
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401 views

when i start my 1500 dodge ram rpm goes up and down in morning

When I start my Dodge Ram 1500 in the morning, the RPM goes up and down for about 4 times from 1000 to 2000 and it sounds like the truck is gonna shut off. It also has a check engine light on. Just ...
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2answers
4k views

My battery was too low, and now my check engine light is on

I've noticed it in the last year (2013) that my 2008 Jetta with the original OEM battery would be taking a little longer to start than before, sometimes (but very rarely) not starting in the amount of ...
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3answers
439 views

What are good features to look for in an ODB-II reader

I recently took my car in for the engine light. It turned out to be a minor problem (crack in gas cap let water in). It would be nice to have a low-cost ODB-II reader to be able to find out for ...
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4answers
1k views

If the check engine light goes off after some time later, has the issue been resolved?

My '08 Ford Fusion's check engine light went on about a month ago. It was a P0455 code "Evaporative emission control system leak detected - large leak". I was going to fix it myself, but never got ...
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2answers
44 views

Manually starting MIL(Malfunction Indicactor Light)

I want to know how can i manually start my Malfunction Engine Light (Check Engine Light) ? i actually want to generate a DTC so that i can see it on a OBD Scanner. I know even altering or ...
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1k views

Can an ELM327 OBD-II reader report on anything other than engine trouble codes for a Mini Cooper?

My car (Mini Cooper S) has a service light and tire pressure light on, so I was expecting my new OBD reader to tell me what they were about, but it just says "0 confirmed emissions-related DTCs ...
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2answers
2k views

Where exactly is the Check Engine Light connector on a 1997 Honda Honda Civic?

The check engine light on my 1997 Honda Civic lit up. I came across a method for troubleshooting (http://honda-tech.com/showthread.php?t=1901557) but I'm having trouble finding the connector. Can ...
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1answer
371 views

safe to drive with coolant system error code

I have an 03 Passat with 1.8t engine I recently purchased. The indicator light went off and reads the error code P2181 which I've read might be the temp sensor, thermostat, or water pump. Is it safe ...
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1answer
985 views

Subaru Outback 1998 high idle rpms and CEL P0507

My wife's 1998 Subaru Outback threw a check engine light the other day, and when I read the code, P0507, it corresponded to a problem I'd noticed for a while: high idle rpms. The problem is most ...
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1answer
1k views

What does error code: POO13 mean?

My vehicle: Saturn VUE 2008, 2WD 4Cylider. Checking light is steady on. Read code at auto zone store, POO13. The mileage is only 45K. I have no idea. Thanks for advice.
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1answer
649 views

'00 Volvo S40 Idle surging

The idle surges when in neutral and park, but there is no noticeable surge in gear or reverse. The car has an automatic transmission, if that makes a difference. I have to this point replaced the ...
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1answer
478 views

Evap code continues to warn after replacing the gas cap

Replacing the gas cap as suggested here worked for about a week. But now the check engine light (evap code) continues to re-appear. This is about the third time in three months the check engine light ...
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4k views

what would cause the no.1 sparkplug to foul out 10 minutes after replacing it on a 1997 Buick 3.8 v-6 engine

About 6 months ago, I had some preventative maintenance done on my car that included oil change, plugs and wires. Within a week of running out of gas my car began "stumble" and idle rough. I ran ...
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3answers
7k views

What does the Check Engine Light on 2000 Camry at 180,781 miles mean?

The check engine light just came on in my 2000 Camry. It has 180,781 miles, and the 180k mark is the recommended timing belt replacement mark. I've checked the tightness on the gas cap, and I'm ...
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2answers
445 views

EVAP System or faulty CEL?

I drive a 4 cylinder 2001 Honda Accord LX and recently my check engine light turned on. The code was for the EVAP system, but I was wary of having it repaired immediately. I see 3 problems with a ...
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1answer
175 views

94' Dodge Spirit 3.0l v6 Throttle position sensor over 4.96V

I pulled up the codes from my 94 spirit that's been running sluggish and unresponsive lately. I got a 24* Throttle position sensor over 4.96V. I put a new TPS in and I'm still getting this code. Do I ...
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1answer
338 views

CEL code 43 on 1992 Civic

I'm getting CEL code 43 after doing a lot of work on my car (changing the head gasket, which involved removing and reattaching lots of exhaust and intake components, and replacing the fuel filter and ...
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2answers
2k views

1999 Honda Civic CNG, Flashing check engine light

I have a 1999 Honda Civic CNG with 140,000 highway miles. Initially, while driving the car at highway speed, the check engine light would flash and the car would lose power. I would have to stop and ...
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2answers
1k views

Engine Revving/Misfiring - Formerly Running Lean - No Trouble Codes Now

For a few months now my 1999 Toyota Avalon XLS (California model - this apparently affects the emissions specs - I'm in NY however) with around 105k miles has been giving me these totally random ...
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1answer
457 views

O2 Sensor Error after replacing spark plugs?

Ford Taurus 2004 Sedan SES DOHC. (The car is actually in the shop right now and I told him to hold off until I get more info.) Took the car to the local shop to get the spark plugs replaced. Because ...
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1answer
345 views

2004 Buick LeSabre sputters in wet weather only when accelerating

My 2004 Buick LeSabre recently started behaving strangely. At first I thought I had filled up with some "bad gas." I used Heat to treat and after a week or so it seemingly started to work fine. Then ...
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1answer
505 views

2002 Ford Focus CEL blinked for a minute and then turned off

I have a 2002 Ford Focus with around 100k miles on it. I just brought it back from the mechanic for a fuel pump replacement. As this question shows. Anyway I was driving around going uphill when I ...
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1answer
2k views

CEL 12, 21, and 55 on '94 Jeep Grand Cherokee

So, I've pulled the codes from my car based on the helpful information provided here: Check Engine Light on '94 Jeep Grand Cherokee Now, I need just a little help understanding what the codes ...
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2answers
4k views

Key cycling to determine cause of check engine light

The check engine light is on in my 1989 Ford E250 Econoline van. I heard from a mechanic (who changed my oil) that there's a "key cycling" process that will cause the light to flash in a certain ...
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1answer
298 views

2004 ford crown victoria - Fuel Cap pressure

My check engine light came on yesterday. with that another little light that says "check fuel cap" also lights up but only stays on for about a second or two. I have never noticed this before so ...