2000 Mercedes Benz S430 Spark plug wires

2000 MERCEDES BENZ S430
85,888 MILES • V8 • 2WD • AUTOMATIC
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ESC0547
  • MEMBER
  • 2 POSTS
I have 200Merceds S430, it uses alot of gas
My Question
Is bad Spark plug wire will cause car to spend gas?
if anyone has any idea about this problems let me know
I appreciate your answer
Jul 24, 2010 at 8:17 PM
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MHPAUTOS
  • ✓Experienced Mechanic
  • 31,937 POSTS
Hi there,

Faulty leads are only part of the possible problem, you need to look at the complete tune, plugs, (do not use resistor type plugs) leads, compressions, air & fuel filters, vacuum leaks and ignition timing, also a scan to check for any unresolved faults will also be a good idea.

mark (mhpautos)
Jul 25, 2010 at 1:43 AM
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