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 Re: A Different Sort of Diagnosis Needed
[Re: Kevin C]
#1021221
02/21/11 03:13 AM
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Joined: Feb 2004
Posts: 10,238
OP
Web Wheeler
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I think the gauge leaked internally. Look at the picture of the blown gauge and notice the corrosion on the "0" peg.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: A Different Sort of Diagnosis Needed
[Re: rxinhed]
#1021222
02/21/11 03:58 AM
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Joined: Nov 2003
Posts: 5,690
Trail Leader
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I thought this was not about Mitsu-porn. Darn! I groped that engine. <img src="/forums/images/graemlins/kewl.gif" alt="" />
1999 Mitsu Montero - Crappy Weather
1992 Isuzu Pickup - Zombie Apocalypse
2008 Saturn Sky Redline - Nice Weather
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Re: A Different Sort of Diagnosis Needed
[Re: 87Montero]
#1021223
02/21/11 04:13 AM
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Joined: Jan 2001
Posts: 13,649
Web Wheeler
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notice the corrosion on the "0" peg. Duly noted. Wondered about that some. Is there any chance the gauge was interfering with the action of the fpr? Could you identify the various hoses on the fpr? I count 3? In the photo, Rside, Lside, and bottom... Have you demo'ed the gauge yer to investigate failure mode?
Last edited by fasteddy; 02/21/11 05:51 AM.
Not responsible for advice not taken...
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Re: A Different Sort of Diagnosis Needed
[Re: fasteddy]
#1021224
02/21/11 12:33 PM
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Joined: Feb 2004
Posts: 10,238
OP
Web Wheeler
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I don't see how the gauge could interfere with the pressure regulator unless it leaked to the outside (remember the occasional fuel odor with no fuel leak found).
There are 3 fuel lines connected to the regulator. The fuel rail is split-feed/split outlet, with each rail's outlet connected to an inlet port on the side of the regulator that is connected to a common chamber. The 3rd fuel line (bottom) is the return.
I check the regulator fairly often by observing the gauge at idle whenever I change the oil. I checked it on 2 separate occasions under load on the dyno and it was always smooth and steady.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: A Different Sort of Diagnosis Needed
[Re: FrankR]
#1021225
02/21/11 02:40 PM
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Joined: Feb 2005
Posts: 7,458
Trail Leader
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...by observing the gauge at idle whenever I change the oil... You're not running the engine with no oil, right? That'd be a problem. <img src="/forums/images/graemlins/wink.gif" alt="" /> How about depth of the gauge sensor in to the fuel passage?
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Re: A Different Sort of Diagnosis Needed
[Re: rxinhed]
#1021226
02/21/11 06:12 PM
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Joined: Feb 2004
Posts: 10,238
OP
Web Wheeler
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How about depth of the gauge sensor in to the fuel passage? No, there's plenty of room. Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: A Different Sort of Diagnosis Needed
[Re: FrankR]
#1021227
02/23/11 10:08 PM
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Joined: Nov 2008
Posts: 226
Wheeler
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YOu inadvertently hit/adjusted the 710 cap?
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