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Re: Why are spark plugs so expensive to have done for a...
Plug prices range from $6.00 a plug to over $40.00 a plug depending on the quality anf materials in use in manufacturing of the plug. many times the manufacturer a particular plug for their engines or service shops just charge the dearer plug and fit the cheaper versions
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I can't see it myself even though I have no experience of the car model.
Lots of the vehicle content is Vauxhall/Opel/GM (I think) suitably modified by Saab.
It doesn't sound logical that a dodgy cruise control switch would cause reduced performance. A reduced performance condition is usually caused by something that affects tailpipe emissions or something affecting engine integrity or reliability.
I heard on the grapevine some Vauxhall models have reduced performance simply because they are overdue for some maintenance and once the service indicator has been reset they are fine again. I don't know how true this is. I know of one Vauxhall that flags up an overboost fault and cuts performance when there is an egr valve fault. The true cause could not be discovered by a generic obd scanner and it was only when it was plugged into something with some very expensive dedicated software that it became obvious.
There is no telling what the Saab boffins have done to the management programmes. There are vehicles around that go into reduced performance if the oil level or pressure is low and maybe they thought that might be a good idea.
I suggest you continue your Saab research at the local Saab dealer or on one of the specialised forums, but certainly I suggest you get the code re-read by a dedicated diagnostic machine.
Depends on which model you have. I just checked four variants and found four spark plug types listed. If your car needs new plugs most suppliers will have an application catalogue and such things are also to be found on the interweb.
You require a code reader to pinpoint fault code.They are not expensive and easily obtainable, (E-Bay).Check wiring plug to coil pack connection first.
OBD Error Code Details for P1340 is "Multiple Cylinder Misfire During Start. "
and/ or
P1340 - Camshaft Position Sensor 'B' Circuit Malfunction
Check your spark plugs. Was any work done on them recently?
Both Auto Zone and Advance Auto carry the plugs you need for your Saab....you can check on-line for the store nearest you...if they don't have them in stock they can order them for you and you can usually get them the same day. I have never had a problem ordering plugs for my 1997 Saab 900S nor for the 1997 Saab 9000 and 1999 Saab 900SE that I work on for friends.....hope this helps.
Try basic tune up (SPARK PLUG WIRES, Spark Plugs, Distributor CAP, Rotor) and adjust timing if you know how. This is the basic place to start. I this doesn't work then we move on. A GOOD tune up goes along way.
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