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How often should you replace the spark plug wires? V70-XC70 1998

posted by  metzger XC90 V8 on  Sat May 18 15:37 CST 2013
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last visit: Sat Oct 4 17:44 CST 2014
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Klaus:

At 130k miles, my XC70 just developed a miss under heavy load (only). It will rev fine at light load, but mash the throttle going up a hill in third gear and it misses badly. Back-off the throttle a little, and the problem disappears. Plugs, cap and rotor replaced 25k miles ago. No other running issues, and fuel usage as always (26mph on highway @ 70 mph). I thought it might be bad gas, but a tank of Shell Premium had no effect.

Plug wires and coil are original. MAF replaced 15k miles ago.

Any ideas?

Thanks,

Bill






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New How often should you replace the spark plug wires? [850][1996]
posted by  Hugh  on Thu Nov 12 04:13 CST 2009 >


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