Question about 2005 Pontiac Montana SV6

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I GET CHECK GAS CAP LIGHT I REPLACED CAP NO CHANGE

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This montana's has a solenod on top of the gas tank. if it fails the vent will not properly vent the gas tank.This will cause the check engine or gas cap warning to come on.

Posted on Apr 13, 2012

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Make sure it's tight - IE: turn until it clicks 3 times (According to GM) that or the vent tube has a vac leak

Posted on Apr 04, 2011

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Posted on Jan 02, 2017

SOURCE: Check gas cap indicator light

do you have the key in while filling?

Posted on Sep 07, 2008

  • 1114 Answers

SOURCE: 2007 Saturn Ion Check Engine Light Gas Cap Problem

Take the car back to your Mechanic and have the mechanic reset your system. Some may advise you to disconnect the battery, and that will reset your computer. This may cause significant problems with your car's computer,radio, alarm. Take the car to the mechanic.

Posted on Aug 17, 2009

  • 7353 Answers

SOURCE: 06 chevy impala v6 3.9 liter engine. Check engine

there is a large evaporative leak. keep away form ottozoo, they dont have the brain power to actually diagnose a light bulb., their job is to sell parts., if they sell you the wrong parts tough.Take it to a qualified repair shop that does a lot of GM work or the dealer.

Posted on Sep 25, 2009

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SOURCE: 2006 Saturn Relay Check Engine Light

PO455 is a large evaporative fuel leak. A bad fuel cap is ONE of the things that COULD be the problem. Fuel system cleaning only lightened your wallet. Reading your post is confusing. Did all this start AFTER the Valvoline Wallet Flushing? If so , they left something loose or disconnected. I would find a qualified repair shop to fix the problem, and if it has anything to do with what Valvoline did, make them pay the bill.

Posted on Nov 12, 2009

philschneide
  • 448 Answers

SOURCE: Check engine light came on. Code P1456.

Did you change the gas cap with a Honda gas cap? Tighten it at least three clicks?
Also, Honda recommends that you never top off the tank when getting gas (only go to the click-off of the pump; otherwise you can get back flow into the system that will cause the code).
Tightening or replacing the cap will not immediately cause the light to go off; it can take up to three days of driving for the light to reset.
To check if your readiness codes (emission system) are set, turn the ignition to ON (II), without starting the engine. The Malfunction Indicator Lamp will come on for 20 seconds. If it then goes off, the readiness codes are set. If it blinks 5 times, the readiness codes are not set.
You can, of course, try resetting your engine light to see if it will come back on (which it probably will). I believe the procedure is:
Turn off the engine.
Press and hold the Select/Reset knob (odometer) in the instrument panel, then turn the ignition switch to ON (II).
Hold the knob for approximately ten seconds until the indicator resets.

Hope this helps you.

Posted on Nov 17, 2009

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Check engine light came on. Code P1456.


Did you change the gas cap with a Honda gas cap? Tighten it at least three clicks?
Also, Honda recommends that you never top off the tank when getting gas (only go to the click-off of the pump; otherwise you can get back flow into the system that will cause the code).
Tightening or replacing the cap will not immediately cause the light to go off; it can take up to three days of driving for the light to reset.
To check if your readiness codes (emission system) are set, turn the ignition to ON (II), without starting the engine. The Malfunction Indicator Lamp will come on for 20 seconds. If it then goes off, the readiness codes are set. If it blinks 5 times, the readiness codes are not set.
You can, of course, try resetting your engine light to see if it will come back on (which it probably will). I believe the procedure is:
Turn off the engine.
Press and hold the Select/Reset knob (odometer) in the instrument panel, then turn the ignition switch to ON (II).
Hold the knob for approximately ten seconds until the indicator resets.

Hope this helps you.

Nov 17, 2009 | 2004 Honda Pilot

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2006 Saturn Relay Check Engine Light


PO455 is a large evaporative fuel leak. A bad fuel cap is ONE of the things that COULD be the problem. Fuel system cleaning only lightened your wallet. Reading your post is confusing. Did all this start AFTER the Valvoline Wallet Flushing? If so , they left something loose or disconnected. I would find a qualified repair shop to fix the problem, and if it has anything to do with what Valvoline did, make them pay the bill.

Nov 12, 2009 | 2006 Saturn Relay

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