The car needed mechanical work (new timing chain and sprockets and valve springs) it also wasn't running well. so I thought it needed a tune up.Two mechanics have checked and varyfied that the computer works.Plugged it into other cars,etc.the car is equipped with traction I control. 3 different mechanics cannot get to run. when it runs it runs well.Then it just stops and won't go again.
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Re: 92 saab 9000 turbo runs itermittently
Mcdevito75 here, With all that work, you most likely have a bad either elctrical or fuel connection, have the shop check the fuel connections on the motor along with fuel pump operation and all connections with-in the ignition sytem, (sytem that makes spark to the plugs) If all checks out fine, change the cars ignition Module.
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Hello, I am a Saab technician from upstate new york. It sounds to me that the turbo wastegate rod may be seized to the turbo control valve. The easiest way to try to fix this is to spray penetrating oil on the turbo valve/ wastegate rod and work it back and forth with a pry bar. Many times u can also heat this up with a torch and pray. If those two things don't work than the turbo valve itself is seized into the guide hole machined into the turbo. good luck.
is it timing chain or timing belt ,not sure on this model.have pipes come off the intake on the turbo?? if its a chain i cant see it jumping but if it right then the valves will be bent thats for sure.1994 ,-,-,- its old now and not really worth more than a 1000€ and could cost more to repair than value of car .
HI need to no if your car has a turbo gauge if not then the cr is a LPT light presure turbo expain why u have not got a lot of power
if you have got a turbo guage then u can do more too to car to improve it
the valve your looking for is a APC valve that controls the turbo boost
i would recommend a ECU upgrade to avoid engine problems that will cost you more in the long run
Your post mentions a belt in the title and then a chain in the text. If V-6, it is a belt, if 2.0 turbo, it is a chain. In either case, these are interference engines, meaning that the pistons will make contact with any valves stuck in the open position. Accordingly, there is head work involved when the timing is catastrophically interrupted. A very good repair will involve taking the engine out to remove the cover so that new guides can be installed for the chain and also the head will have to be pulled and some valves replaced. If damage to piston crowns occured, you may need one or two of these. Some shops have figured out how to weasel the engine around to remove the cover without full engine removal, saving some time. I do not think you can get out of this for under $3,000.00, unless you find a cheap used engine and do a simple swap. Even then, it will be close.
Your Saab does not have a timing belt, it has a chain. You need to remove the chain tensioner and see how much it has extended. If it has plenty yet to go, your chain is fine to go more miles. If it is fully extended or nearly so, you are on borrowed time.
Try doing a compression test to see if all cylinders have same reading. If compression is low on 1 cyl, that is obviously where to start. Check the valve clearances to that cylinder. If valves not set too tight, then it must be piston related.