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740 Performance 700

posted by  poolman on  Mon Feb 28 03:15 CST 2005
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last visit: Sun Dec 26 02:03 CST 2010
[RELATED]

The first thing that I would look at is the vacuum lines on the car, if they are cracked and leaking they raise havoc with fuel milage.

How is the perfomance, if it's rather sluggish esp up hills, you may have a knock sensor going bad.

How are the spark plugs, wires, bosh distributor cap and rotor button, air filter and a clean flame trap(if it's not a turbo)and the previously mentioned should bring the car into spec, and give better mileage.

Is the car using any oil, might want to go with a Auto r-x treatment, followed up with a motor vac.

If the car needs all that I've mentioned it's going to cost about 300 bucks and thats with you doing some of the work installing new parts, including having a indy shop doing the motor vac.

First thing though would be the vacuum lines. Hook up a vacuum gauge and get a reading, if under around 17lbs, you have either a vacuum leak or something is retarding your timing, in the later case suspect a knock sensor.
Good Luck
Poolman





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