Re: Rough Idle and Stalling - Saab NG900 & OG9-3 Bulletin Board - Saabnet.com
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Re: Rough Idle and Stalling
Posted by Dean [Email] (more from Dean) on Thu, 1 Mar 2007 13:41:29
In Reply to: Rough Idle and Stalling, KenRothman, Thu, 1 Mar 2007 06:45:43
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With any running problem like this the first thing to do is to pull and read the plugs. Note any cylinder to cylinder variations, regap or replace. Check hoses while you are at it. The hoses from TB to MAP and TB to FPR are very critical. (Hose to the BPV probably very rotten if original.) Plugs to use are BPCR6ES11's for stock tune daily drivers, gap to .035-.037?
Clean the injectors with Techron Concentrate.
Yes, the DIC could be failing, most T5/red DICs fail sudden death. At those miles, you should have one at the read in any case. Check the manufacturing date code, 4 digits on the label of the old one. It is YYWW or WWYY, year and week of the year [1-52].
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