[MR2] MkII: tune-up
chrissul at comporium.net
Wed May 13 22:20:31 EDT 2009
I didn't have many symptoms, but the elbow from the air filter to the turbo
(post AFM) was cracked on my 91 engine. Scared me to death, but i'm sure it
was costing me some power in there somewhere.
----- Original Message -----
From: "Donald Chalfant" <dkchal at datasync.com>
To: "Rick Brown" <camr187 at yahoo.com>; <mr2 at mr2.com>
Sent: Wednesday, May 13, 2009 5:21 PM
Subject: Re: [MR2] MkII: tune-up
> No mocking here. I"m chasing a leak myself. I know its there, but A/F
> readings tell me its there. Exhaust too loud to hear a vacuum hiss.
> A good idea to check all hoses occasionally.
> ----- Original Message -----
> From: "Rick Brown" <camr187 at yahoo.com>
> To: <mr2 at mr2.com>
> Sent: Wednesday, May 13, 2009 3:57 PM
> Subject: Re: [MR2] MkII: tune-up
>> At the risk of being mocked by the list, my 91T ran not-so-well for
> several years, feeling down on power. Tune-ups made no difference and
> to mechanics yielded either shrugs or "sounds like you blew your motor."
> was clearly running rich, as the gas mileage was terrible and I'd get a
> small puff of black smoke and a whiff of gas when starting up.
>> Once the power loss progressed to stalling at idle and a severe stumble
> under boost, I finally looked very closely at the hoses running from the
> turbo to the intercooler to the throttle body. From above, they all looked
> fine, but when I ran my hand underneath one, I felt a hairline crack,
> at the hose clamp.
>> One new hose later, I had all of my missing power back. So if you haven't
> lately, take a good look/feel at your boost hoses.
>> Rick Brown
>> camr187 at yahoo.com
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>> MR2 at mr2.com
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> 5:53 PM
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