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Gas cap hard to remove

Gas cap is hard to remove by hand seems to get stuck while trying to remove from car

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Problems opening the gas cap for removal when gassing up my 2004 Buick Rendezvous. Just bought a new cap and same problem, won't open


If the cap is hard to remove, this is a common problem with older GMs. The mating surface at the end of the filler tube becomes slightly corroded and is sticking to the rubber seal on the cap. Plug the filler tube with a rag (to avoid any explosive hazard), clean the mating surface with lacquer thinner, gently buff it with crocus cloth and try that. If it still sticks, lubricate the cap rubber seal with a thin coat of a lubricant (ONLY one approved for rubber/plastic materials).

Jan 03, 2017 | Buick Cars & Trucks

3 Answers

Gas cap stuck won't come off?


Grab a pair of channel locks to get a good grip on the cap and twist counter clockwise. The back pressure created in the tank from the gas depleting can make the cap seem impossible to remove.

Jul 16, 2014 | 2001 Oldsmobile Alero

1 Answer

2006 Mazda codes P0455 P2198 P2189 P2187 P2196. Dont know where to start looking for problem. Bought a new gas cap. Trouble starting after I fill the tank but after I get it started the first time no...


P0455 Evaporative Emission Control System Leak Detected (large leak) P2198 O2 Sensor Signal Stuck Rich (Bank 2 Sensor 1) P2189 System Too Lean at Idle (Bank 2) P2187 System Too Lean at Idle (Bank 1) P2196 O2 Sensor Signal Stuck Rich (Bank 1 Sensor 1) basically you need to replace either the air /fuel ratio sensor,, or,,the heater relay associated with that sensor,, these are very hard to diagnose without the hand held or scope that narrows it down ,, you can check a multitude of voltages on a number of electrical connections, as far as the P0455 ,, if you installed a new gas cap either have the code removed , or wait a couple of days and it should remove itself, as long as the cap is factory approved, Look for vacuum leaks in the evap system , cut hoses,, bad connections,

Aug 22, 2011 | 2003 Mazda Mazda6

1 Answer

I have owned a 2003 Pontiac Grand Am SE for almost 3 years and am on my third gas cap. The seem to wear out pretty quickly and come loose causing the check engine light to come on. Solution?


Hi,
I would try getting an OEM gas cap from the dealership. While more expensive than aftermarket caps, They usually last much longer. Theoretically, you are supposed to replace your cap every couple years anyway. You can also try cleaning the surface of the gas filler neck the cap screws into and the cap mating surface. I always push hard and make it click about 3 revolutions of the cap after fueling, or I get the check engine also on my GMC.....Mike

Jun 21, 2011 | 2003 Pontiac Grand Am

2 Answers

2001 nissan altima with a stuck gas cap door. Lever in front ''seems'' to be working. But mechanism is not releasing. Best way to manually open it.


Open the trunk and behind the trim cover near the gas door only on the inside there is a cable pull there also. the owners manual will show you where it is it you have it.

May 13, 2010 | 2001 Nissan Altima

1 Answer

Check engine light is on, but the car seems to be


The purpose of the check engine light is to inform the driver that the car's ECM has registered a problem. It then stores a code in it's memory that can then be "pulled" by a hand held diagnostic trouble code reader and usually the issue an be corrected. More times than not, the car will seem to be running fine even with the light on because the ECM will compensate for the problem as much as it can to keep the system functioning. One thing you can do is remove the gas cap and put it back on making sure that you securely tighten it until you hear 3 clicks. After driving the car for 30-50 miles, the light may go out. If it does then the gas cap was not tightened completely causing air to enter the system (the system utilizes vacuum so it must be sealed air tight). If the light stays on, take it to a Dealer or trusted mechanic for further inspection. ALWAYS BE SURE YOUR GAS CAP IS TIGHTLY SECURED AFTER EVERY FILL UP OR THE LIGHT WILL COME ON AGAIN>

May 10, 2010 | 2006 Toyota Corolla

1 Answer

1999 Pontiac Grand Am Floating Gas Guage


 you have a bad connection or faulty tank gauge unit

Mar 18, 2009 | 1999 Pontiac Grand Am GT

4 Answers

Mazda 3 gas cap stuck 4x since purchased new 7/29/08


Happened to me a few times....Finally this am it broke.... boooo! Reference Service Bulletin SB-01-050/08 when you bring it in hopefully you can get it for free!

Sep 28, 2008 | 2008 Mazda Mazda3 Hatchback

2 Answers

Problem starting my Rodeo


possible bad gas.. with the hurricane could have water mixed in with the gas

Sep 13, 2008 | 1999 Isuzu Rodeo

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