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| [GMCnet] Re: Engine trouble [message #366691 is a reply to message #366689] |
Fri, 10 September 2021 22:25   |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma:
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Senior Member |
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l leak is possibly from the fuel level sensor on top of the tank .
That should have nothing to do with the engine issue.
If your going to replace the coil or module, replace both as One can ruin
the other .
On Fri, Sep 10, 2021 at 7:07 PM Randy Hecht wrote:
> Look at hose and clamps
>
> Randy Hecht
> Roswell, GA
>
> 1974 Canyon Lands GMC Motor-coach
>
>
>> On Sep 10, 2021, at 19:38, Jim DeMellia
> wrote:
>>
>> Thanks for the responses. Small update. Noticed fuel leaking to the
> back of the coach when it was on the hook. Can’t find the leak yet while
> it’s sitting on level ground.
>>
>> Sent from my iPhone
>>
>>> On Sep 10, 2021, at 7:07 PM, Matt Colie wrote:
>>>
>>> Jimmy_Bonez wrote on Fri, 10 September 2021 18:38
>>>> Hello gentlemen,
>>>> Need a little trouble shooting. Camper broke down today on the way
> to our last trip of the season. Driving fine then all of sudden two
>>>> backfires and engine shut down. Coasted to a stop on the side of the
> road. Had minimal tools to diagnose anything. After pulling over tried to
> crank
>>>> engine over again and nothing. Did check for spark which we had.
> Didn’t get a chance to check if we were getting fuel. Pregnant wife and a
> nice
>>>> sheriff had the rig on truck and towing it back home before I had a
> chance to mess around with it anymore. Any chance it would be fuel? Working
>>>> with remanded S&J engine. No upgrades or anything.
>>>
>>> Jimmy,
>>>
>>> Many of us have been there.
>>> As it is a 75 and hence HEI, that would be my first checks, but you say
> you had spark.
>>> Unfortunately, with HEI, it can recover in the time it takes you to get
> to the engine room. (BTDT, but not my coach)
>>> So, in the morning run the whole diagnostic and if you still have
> questions, we are here to help.
>>>
>>> Sudden shutdowns are common on HEI failures. This is why I suggest
> that all carry the complete kit. It is not difficult to install, but I
> have seen
>>> every single part fail (module, pick-up and coil) These are not big or
> expensive parts and do not require special tools.
>>>
>>> Sudden shutdowns can happen with fuel system failures, but they are not
> common. They are usually proceeded by a succinct loss of power. You did
> not
>>> mention that. So, in the morning go out and pop the air filter and
> stroke the throttle and see if the accelerator pump spits fuel.
>>>
>>> With a recent rebuild, it doesn't sound bad.
>>>
>>> Matt
>>> --
>>> Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL,
> GMCES
>>> Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum
> Brakes with Applied Control Arms
>>> SE Michigan - Near DTW - Twixt A2 and Detroit
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--
Jim Kanomata ASE
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.gmcrvparts.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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