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Car Forum / Saab Cars / June 2005not running right
hi my 1990 9000 cd 2.0 turbo seems to miss a beat when it is raining out it feels as if the car just stops getting fuel air or spark for 1 sec or 2. mostly when i am in boost and in 2nd gear accelerating quickly and its kinda random to? here are my thouhts on this 1 faulty fuel cut off switch 2 faulty DI cassette 3 faulty mass air flow sensor the check engine light is not on and i got a manual boost controller too set at 12 to 14 psi(i was not at 14 psi when this occurred) or it could be the Throttle switch?? > hi my 1990 9000 cd 2.0 turbo seems to miss a beat when it is raining > out it feels as if the car just stops getting fuel air or spark for 1 > sec or 2. mostly when i am in boost and in 2nd gear accelerating > quickly and its kinda random to? Does your car have TCS? Cheers! >>hi my 1990 9000 cd 2.0 turbo seems to miss a beat when it is raining >>out it feels as if the car just stops getting fuel air or spark for 1 [quoted text clipped - 4 lines] > > Cheers! AFAIR, no 1990 cars had TCS. I think that was introduced (unfortunately) in '92. -Fred W > hi my 1990 9000 cd 2.0 turbo seems to miss a beat when it is raining > out it feels as if the car just stops getting fuel air or spark for 1 > sec or 2. Your spark plugs must have old cracked spark plug wires. > > hi my 1990 9000 cd 2.0 turbo seems to miss a beat when it is raining > > out it feels as if the car just stops getting fuel air or spark for 1 > > sec or 2. > > Your spark plugs must have old cracked spark plug wires. NO that's not it because my car has direct ignition no spark plug wires. the car is running good now for some odd reason? > NO that's not it because my car has direct ignition no spark plug > wires. > > the car is running good now for some odd reason? You may have gotten some "bad" gas, maybe had some debris or water/condensation in it. If you get gas right after the tanks have been filled at the station, some debris will get stirred up in the underground tanks and can cause the type of problems you were seeing. Add a bottle of fuel additive/injector cleaner and see if that helps. > > NO that's not it because my car has direct ignition no spark plug > > wires. [quoted text clipped - 6 lines] > tanks and can cause the type of problems you were seeing. Add a bottle of > fuel additive/injector cleaner and see if that helps. If there's been crap in the fuel, it might be worth replacing the fuel filter too. That solved a similar problem on my previous vehicle. Graham > > > hi my 1990 9000 cd 2.0 turbo seems to miss a beat when it is raining > > > out it feels as if the car just stops getting fuel air or spark for 1 [quoted text clipped - 6 lines] > > the car is running good now for some odd reason? Well... I just had some similar problems - see the thread 'is my di cassette going?' Last time it drove just fine again ( withing the limits of its other problems ). The only common issue to the problem was higher than average temps. Graham Check your air mass meter. It will give you the same symtoms as a faulty plug or wire and check engine light will not come on. anothe poss o2 sensor. Good luck papa > Check your air mass meter. It will give you the same symtoms as a faulty > plug or wire and check engine light will not come on. anothe poss o2 > sensor. Good luck papa Thanks for the tip. Funnily enough that was one item ( amm ) I had in mind. It's the Bosch unit. Hot wire sensor IIRC. Can it simply be cleaned ( carefully ) ? Graham > > Check your air mass meter. It will give you the same symtoms as a faulty > > plug or wire and check engine light will not come on. anothe poss o2 [quoted text clipped - 6 lines] > It's the Bosch unit. Hot wire sensor IIRC. Can it simply be cleaned ( > carefully ) ? It may just be the electrical contact in AMM socket. I've had this in the past, it caused a lot of headache, but was simple to clean the socket. Try that before splashing out on a new AMM. Hope this will help your right turns :-) |
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