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Old 11-10-2017, 02:57 PM   #2
trottida
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Join Date: Oct 2005
Location: North of North of Toronto, Northern Ontario, Canada
Posts: 1,834
 

1999 SL2
2001 SL1
Default Re: 94 sc2 difficult to start in cold weather

97 was the one year for wonky fuel pressure regulators but I don't think that is the problem. The symptom is for it not to start on the first try and/or excessive cranking. The work around solution is to put turn the key to run without engaging the starter, wait 3-5 seconds for the fuel pump to prime the system and then engage the starter.

Changing the fuel filter is probably a good idea although the miles are still rather low. I'd check the fuel pressures first to see what they are doing. Some fuel filter manufactures don't make a very good product for these cars; generally it is recommended to go with the Wix brand.

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Current rides
2001 SL1 MT (410,500 km @ 11/2017)
1999 SL2 MT (251,500 km @ 11/2017)
2011 Suburban LT (101,450 km @ 11/2017)

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