Question about 1987 Isuzu Spacecab

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Gas is leaking from some sort of canister/cylinder on passenger side. all hoses are intact as far as i can tell. we thought it might be the fuel filter or a plug in the cylinder? what is it called and how do i fix it?

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Doesnt hurt engine-its a antipollution remedy-look or smell for leak amd patch-mite need new one if stinks too much

Posted on Oct 05, 2010


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Posted on Jan 02, 2017


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Location of canister vent valve solenoid on 2009 f150

For a 5.4L V8 Flex...canister Purge Valve--centered right behind the throttle body. Should see a hose with a quick disconnect and an electrical connector on one side (driver's). Opposite (passenger) side has another 6-8 inch hose that runs from the valve to the engine with a quick disconnect on the engine side. The valve itselve is about 2-3" long, black cylinder (google Motorcraft CX2447 for picture)! Very easy to replace yourself (5 min job). Remove the electrical connector (push in on rear side and pull), remove the two quick connects by squeezing the gray prongs and pushing the connector outward. Hose should slide right off. Pull valve off of bracket (there is a rubber piece that holds it on--it will slide off of the metal bracket, but have to wiggle it loose), replace part, reconnect hoses/elect and you're done. Just make sure the hoses are fully seated.

The actual canister is a black box on the inside of the frame beneath the driver side (have to get under the truck pretty far to see it). It has about 3 hoses running to it from the fuel tank. On side facing the front of the vehicle, you'll see a hose that runs up through the firewall to the purge valve.
it's mounted above where your spare tire is on some of the other motors its above your spare tire

Mar 24, 2017 | Cars & Trucks

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Why does cab smell like fuel when vents open while driving

check for gas leak around fuel pressure regulator,and surrounding are if no gas leak there is a chance your charcoal canister is saturated and need to be replaced

May 08, 2016 | 2009 Chevrolet Chevrolet Aveo LT

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"I have 1998 Volvo V70 AWD and my check engine light is on. I changed gas cap that one I got from the Volvo. Also I done smoke test few days ago, the mechanic couldn't find any leak. Now it show the code...

1--Evap system hoses
2--Purge Valve
3--Check Valve
4--Air pump
5--Canister valve(some people call canister purge valve)

A crack in an evap hose is the most common thing. I would definitely check the two evap canister hoses. These are easy to fine, one being the J hose, which is in a J shape, and connected to your canister and the other end to a valve. Then the Canister Evap hose, which is 18" or so long with a 4" L on the end of it. It connects to a hard plastic or metal hose that can easily be reached by removing the rear passenger side tire on a 98 S70 turbo. Check these 2 first. I found that the cracks in both of these hoses were where the clicks were or close to them(many old style clips causing this). Check these too, again they will both be connected to the canister valve that is right beside the charcoal canister on the passenger rear side.

Jun 13, 2014 | 1998 Volvo V70

3 Answers


P0440 - Evaporative Emission Control System Malfunction
Possible causes- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking Tech notes Loose fuel tank filler cap is the most common cause that triggers the P0440 code.

Sep 17, 2012 | 2002 Pontiac Grand Prix

1 Answer

91' camaro rs 305 is losing horsepower when im driving and engine lopes when in idel

HI. Engine loping at idle in a stock RS camaro will likely be caused by bad fuel injectors. The throttle body on your car has two large injectors and usually the drivers side will short out leaving the passenger side over-working. You can see this occuring if you remove the air cleaner lid and use a very bright flashlight to look at the spray pattern for both injectors. They should look the same roughly. There could be a vacuum leak at the MAP sensor hose, there could also be stuck open EGR valve as well, commonly there is a problem with the Engine Coolant Temperature sensor and wiring connector that may be the cause of your problem. As far as the vapor leak in the fuel system, check the fuel hoses near the gas tank and the smog canister under the hood for cracks or broken places. I have had to replace many fuel pump o-ring seals on these cars though. The spot where the fuel pump hanger mounts into the fuel tank has a large diameter o-ring that cracks and splits very commonly, also if the fuel pump was replaced, sometimes people don't quite get the seal to stay in place just right.

Aug 10, 2012 | 1991 Chevrolet Camaro

2 Answers

My 1998 chev cavalier just put a fuel pump on it and gas started leaking from under the passanger side fender replaced fuel canister and little black box on top and still leaking fuel removed the gas to...

Check the fuel vapor canister hoses, the fuel line and the fuel pressure regulator return line. Probably one of them is damaged or has a loose connection. A rusted line may have cracked when you removed it from the fuel tank - this is more likely than a problem with the vapor canister system.

Also inspect the filler tube (you didn't say whether it was the front or rear fender) to make sure it wasn't cracked somehow. You'll probably have to get underneath to see more precisely where the leak is. I strongly recommend wearing safety glasses, or better yet a face shield; you don't want gasoline in your eyes if you should accidentally look too closely at the problem! A small mirror on a telescoping rod may be very helpful. You can find these in many tool departments.

Apr 15, 2011 | 1998 Chevrolet Cavalier

1 Answer

Gas line leaking (dripping) on passenger side. I reached under to see where the leak originates and I feel a piece of rubber, feels like some sort of connector, soaked in gas. I had some exhaust work done...

sounds like a previous owner used a hose splice to fix a leak. get it up in the air and see if you can do the same thing. this time tell the guy you want fuel line for a 94 and double clamp it on. otherwise run a whole new fuel line. note that fuel line for newer cars is much higher pressure than the good old stuff pre 90s which went to a mechanical pump on the side of the engine

Dec 23, 2010 | 1994 Buick LeSabre

2 Answers

01 dodge ram 3.9 moter check engine light

A Large leak is almost never a gas cap, thats usually the small leak. Dodge uses cheap hoses that crack badly. Check the canister in the Engine compartment, passenger side. Then check passenger side behind the cab by the frame. 2 canisters and hoses leaving that ,often cracked. Last is a piece that connects from the hard steel lines near the oil of these three usually

Jul 22, 2010 | 2001 Dodge Ram 1500 Truck 2WD

2 Answers

I have a 2001 dodge ram with a 5.2 liter 318 engine. i checked my code & it came up as #P 0455. the problem i am having is when you first touch the gas, it has just a little bit of hesitation &...

P0455=EVAP Emission Control System Leak (Large Leak)

Possible gas cap fix, cheapest try first.

Check the gas cap thoroughly, the P0455 code your getting for the large leak isusually a bad gas cap.

Also check the lines on the canister tank,right underthe passengers side of the cab, there are two lines on top that will rotand fall off or get loose enough that they will cause that problem.

You can also check on the passengers side fender well under the hood andlook at the elbows on the EVAP valve that has the hoses that run downto the canister tank, chances are one of them is loose or bad.

Best to get a factory service manual to have handy through all of this. has complete factory ones for around 20 bucks. Here is a link 2001 Dodge Ram Service Manual.

Sep 28, 2009 | 2001 Dodge Ram 1500 Truck 2WD

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