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Evap. circuit malfunction on Mercedes Benz

I have a 2002 ML320 suv. The CEL is on, and the code is P0446. It states that there is something wrong with the evap. system circuit, specifically at the charcoal canister shut-off valve. I've tried ...
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1answer
17 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
788 views

What is supposed to happen when my Subaru's test mode connector is hooked up?

There's an electrical connector under the dash of my 2000 Subaru Forester that is apparently instrumental in the diagnosis of some OBD-II trouble codes. It's a pair of bladed terminals like any other ...
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1answer
378 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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1answer
2k 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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2answers
342 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
169 views

Thumping from rear of car after shutdown: EVAP system?

In a 2004 VW R32, after shutting down the engine, a repeated thump is heard approximately 2 times a second from the rear of the car. What are the likely sources of this noise? My first thought is ...