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 Missing

 Created by: Spitz
Orig. Posting Date User Name Edit Date
Sep 26, 2021 02:34PM notabmw  
Sep 14, 2021 12:02PM Spitz  
Sep 14, 2021 11:11AM mascherk  
Sep 14, 2021 04:57AM Minimike1  
Sep 14, 2021 03:50AM onetim  
Sep 13, 2021 05:33PM Willie_B  
Sep 13, 2021 01:15PM Dan Moffet Edited: Sep 14, 2021 05:15AM 
Sep 13, 2021 10:52AM Spitz  
Sep 13, 2021 10:25AM Willie_B  
Sep 13, 2021 10:00AM Spitz  
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 Posted: Sep 26, 2021 02:34PM
notabmw
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CA
Bad / Old gasoline?

90% of being smart is knowing what you are dumb at. 

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 Posted: Sep 14, 2021 12:02PM
Spitz
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CA
Thanks all...
Thought I'd check compression before checking valve lash....... #1 and #2 are at 60lbs !

So..ordered head gasket set and new fuel pump.  It'll be a snap to change the pump while I'm at it with head and exhuast out of the way.

 

"Everybody should own a MINI at some point, or you are incomplete as a human being" - James May

"WET COOPER", Partsguy1 (Terry Snell of Penticton BC ) - Could you send the money for the unpaid parts and court fees.
Ordered so by a Judge

 

 

 

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 Posted: Sep 14, 2021 11:11AM
mascherk
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US
I'd look for a vacuum leak first. It's easy to check, it causes the symptoms you mention and it can happen suddenly.

Kelley

"If you can afford the car, you can afford the manual..."

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 Posted: Sep 14, 2021 04:57AM
Minimike1
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fix your fuel pump.  It's possible that it was sucking air and now sucking more air. After you put in a new pump, you can look elsewhere if the problem still exists.

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 Posted: Sep 14, 2021 03:50AM
onetim
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You might look at spark color, blue white, or if yellow it's weak. if so, try cleaning grounds and connections. I would also look for vacuum leaks. 

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 Posted: Sep 13, 2021 05:33PM
Willie_B
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In my case, I thought when the head was done during an engine rebuild that hardened seats were put in. That was not the case so about every 1000 miles the exhaust valve had recessed just enough for it not to close completely. Thus the off sounding exhaust. 

"How can anything bigger be mini?"

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 Posted: Sep 13, 2021 01:15PM
 Edited:  Sep 14, 2021 05:15AM
Dan Moffet
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You may also have a burnt valve. Before you adjust the valves, remove the rocker cover and use a stick of hardwood to try and hold each valve open slightly as the engine runs. If the note changes (gets rougher) the valve you pressed is holding well enough. When you encounter a valve that does not change the idle or miss when you hold it open, you've found a leaking valve. Adjustment may solve it, unless it is burnt or has a carbon deposit on it.

.

"Hang on a minute lads....I've got a great idea."

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 Posted: Sep 13, 2021 10:52AM
Spitz
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Will do that Willie....... but how/why all of a sudden.

I'll also run a compression test

 

"Everybody should own a MINI at some point, or you are incomplete as a human being" - James May

"WET COOPER", Partsguy1 (Terry Snell of Penticton BC ) - Could you send the money for the unpaid parts and court fees.
Ordered so by a Judge

 

 

 

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 Posted: Sep 13, 2021 10:25AM
Willie_B
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Check your valve adjustment. When I had a Subaru sounding exhaust it was a too tight exhaust valve so it was not closing all the way. 

"How can anything bigger be mini?"

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 Posted: Sep 13, 2021 10:00AM
Spitz
Total posts: 13978
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Member since:Jan 22, 2003
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So my car has started to run like crap.  Tough to start and seems to be missing.
However, when I pull each plug wire off, idle still drops
It's a small bore, A series, Hif38, petronix.
I do know my mechanical fuel.pump leaks...but has been for some time and this running issue started all of a sudden.

https://youtu.be/MANKdCbTumo

 

"Everybody should own a MINI at some point, or you are incomplete as a human being" - James May

"WET COOPER", Partsguy1 (Terry Snell of Penticton BC ) - Could you send the money for the unpaid parts and court fees.
Ordered so by a Judge