Date: Thu, 20 Feb 2003 19:34:10 GMT From: "Fred W." <Fred.Willsnopsamammyrealbox.com> Subject: Re: Check Engine For What??
"Andy" <andy_nopsamcom> wrote in message news:NB85a.256$9g2.195nopsam-binary.blueyonder.co.uk... > This is a compiled list from other users here (some may be incorrect): > a SAAB "CHECK ENGINE LIGHT" is an indication of poor combustion & emissions > caused by : > > A defective seal at the gas cap (fix or replace the gas cap) > Vacuum / In-take air leak (running too lean) - don't let this go on too > long > Using low octane fuel (use 93 octane gas for a month or so to clean > injectors) > Dirty throttle (clean or replace) > Faulty temperature sensor > Faulty O2 sensor > The engine oil is not of proper weight > The air and fuel mixture is to "rich" or "lean" (quite serious and would > require immediate attention) > > Or you may have a bad engine ground between the engine wiring harness and > the intake manifold: CARS AFFECTED: SAAB 900 From Vin # T2000184 & on. The > repair is as follows: > Step 1. Remove securing screws and washers for engine wiring harness grounds > at the intake manifold. > Step 2. Replace existing screws with longer screws part # 7978109 X 2 and > washer Part # 9166380 X 2 You forgot to metion that bad spark plugs can these errors especially if it has DI