Question about 1999 Volvo S80

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Code p0442 i have p0442 on my volvo 1999 s80t6 and it fluctuate a little bit

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P0442 is a small leak somewhere in the emmission system, check the vacuum lines, or have a smoke test done, to find the leak.

Posted on Jan 31, 2009

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An update on my 2000 Volvo s80T6. The fluid level is perfect and the fluid looks and smells brand new. When I shifted the sequential shift into third, the car will drive forward just fine. Reverse

The T6 is notorious for trans problems. I suggest you seek out a reputable trans shop with FULL knowledge of this gearbox as it may be manufactured by GM, it is made to Volvo Specs.

Dec 23, 2014 | Volvo Cars & Trucks

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Fix code p0442

Here's the info on your P0442 code.Maybe your gas cap needs to be tighten a little.

May 28, 2013 | 2003 Cadillac Deville

1 Answer

Car will not go when you press the excelerator until the engine warms up a little bit. Two codes came up P0442 and misfire.

P0442 Means you have a leak in your EVAP system.
The EVAP system prevents gas vapors from entering the air .
This code can be set by a leak in the lines or a clogged charcoal canister.
Most common reason is If you did not put your gas cap on all the way.
As of the misfire was it a random Code p0300 or did It state which cyilender like P0301

Hope this helps
Leave feedback please
thank you FixYa

Jan 23, 2011 | 2004 Pontiac Grand Am

1 Answer


Check all evaporate hoses for cracks and loose connections. This will set this code on the PCM

Apr 24, 2010 | 2001 Volvo S60

1 Answer

Radio code for 1999 volvo s70

Look in your owners manual usually there is a little card that has the code in there or in the booklet. Otherwise you will have to go to the dealer for the code.

Jan 17, 2010 | 1999 Volvo S70

2 Answers

1999 Volvo S80 T6 slightly fluctuating idle/blinking head lights

I had a similar problen on my s60 I got the trottle body properly cleaned and it fixed it right up

Sep 03, 2009 | 1999 Volvo S80

1 Answer

Oil in the water

It is probably transmission fluid coming in from the trans cooler in the radiator. I would suspect it needs a new radiator.

Jun 09, 2009 | 1999 Volvo S80

2 Answers

Check engine light code PO442

You likely won't notice any drivability problems. P0442 indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. 
The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage.
Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.

With a P0442, the most common repair is to Remove and reinstall the gas cap, clear the codes, and drive for a day and see if the codes come back. Otherwise, replace the gas cap, or Inspect the EVAP system for cuts/holes in tubes/hoses.

Good luck and hope this helps

May 07, 2009 | 2001 Volvo S60

1 Answer

Check enging light is on

Engine Light on Troubleshooting code from Auto Zone P0442, I replaced the gas cap and light still stay on?please advise

Jan 15, 2009 | 1999 Subaru Legacy

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