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Wayah Road Warrior
 
Shadetree930's Avatar
 
Join Date: Jun 2002
Location: Greenville, SC
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Increased starter spins on cold start

The details ...

Bone stock 87 930 with a BL WUR. Runs like a champ. No other known issues.

For the past 3 years my car usually fired up after about a half crank of the starter.

Over the past month, it is taking more revolutions to fire when stone cold. It still starts, but may take from 2 to 6 turns before she catches.

This is not yet a problem but I want to address it before it becomes problematic.

Where does the collective wisdom think I should spend my time looking?
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Last edited by Shadetree930; 06-22-2010 at 08:30 AM..
Old 06-22-2010, 08:25 AM
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3 restos WIP = psycho
 
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Check your plugs.
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Old 06-22-2010, 08:33 AM
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Location: Central Washington State
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Fuel accumulator not holding pressure as well as it should, or cold start injector or thermotime switch.

If I let my car sit for more than a week, sometimes it will take maybe 3 seconds of cranking before she fires up. As in this morning, starting up after probably 3 weeks since last driven. I just live with it.
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Mark H. 1987 930, GP White, Wevo shifter, Borla exhaust, stock everything else. The result of a massive Pelicanite good will fire recovery effort. Truely an open book, ready for the slippery slopes to modification.
Old 06-22-2010, 12:09 PM
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Wayah Road Warrior
 
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Join Date: Jun 2002
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Last major service was just about 5,000 miles ago, March 2009.

Included plugs and a valve adjust.
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Old 06-22-2010, 04:14 PM
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Wayah Road Warrior
 
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Join Date: Jun 2002
Location: Greenville, SC
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I tried an experiment ....

Tried a cold start tonight and it spun at least 6 turns with no start.

Next, I turned the key off and then back on but not turning the key all the way to the start position.

My thinking was that I would let the pumps run a wee bit to 'charge' the system.

After about 5 seconds in the on position I turned the key the rest of the way to the start position.

Like old times, one-half spin and she was running.
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02 996tt White
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Last edited by Shadetree930; 06-22-2010 at 04:22 PM..
Old 06-22-2010, 04:15 PM
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do you know what your cold start pressure is? Re check it to the outside temperature.
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Old 06-22-2010, 04:36 PM
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Wayah Road Warrior
 
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Join Date: Jun 2002
Location: Greenville, SC
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Quote:
Originally Posted by mark '87 930 View Post
do you know what your cold start pressure is? Re check it to the outside temperature.
Ummmm ... checkbook mechanic here. No tools for that kind of analysis.
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Old 06-22-2010, 05:04 PM
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