Re: Fuel Filter for 90 SAAB 900 HELP!! - Saab 900 Bulletin Board - Saabnet.com
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Re: Fuel Filter for 90 SAAB 900 HELP!!
Posted by JohnK (more from JohnK) on Wed, 31 Jan 2001 18:23:39
In Reply to: Fuel Filter for 90 SAAB 900 HELP!!, Mark, Tue, 30 Jan 2001 18:45:40
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Before you crawl under the car and get gas in your eyes, check a few things under the hood. A bad fuel filter will probably be noticed more when under power and the engine is starved for fuel.
1) Look for loose or cracked vacuum hoses. Check them all.
2) Clean out throttle body with carb spray and scrub the body and throttle plate with an old tooth brush soaked in carb spray.
3) Spray out the Idle Valve(AIC) with carb cleaner and give it a shot of wd40. It's bolted near the thermostat with 2 rubber hoses and one electrical plug. Also, if the idle smoothes out when you whack this valve with a screwdriver while the engine is running, you probably should replace the valve.
4) if none of this works, you might have a bad air mass meter (AMM). Best to try a known good one before you spend the money.
Posts in this Thread:
- Fuel Filter for 90 SAAB 900 HELP!!, Mark, Tue, 30 Jan 2001 18:45:40
- Re: Fuel Filter for 90 SAAB 900 HELP!!, Tony N, Sat, 3 Feb 2001 14:21:22
- AIC - Probably getting old. Clean with carb cleaner n/m, Lachesis, Wed, 31 Jan 2001 20:39:37
- Re: Fuel Filter for 90 SAAB 900 HELP!!, JohnK, Wed, 31 Jan 2001 18:23:39 <-- Viewing This Message
- Re: Fuel Filter for 90 SAAB 900 HELP!!, dko, Tue, 30 Jan 2001 18:59:15
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