1987 Mercedes Benz 190e spark plugs

1987 MERCEDES BENZ 190E
148,500 MILES • 4 CYL • 2WD • AUTOMATIC
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BRIAN METCALFE
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  • 1 POST
after new spark plugs engine runs fine but they dont last about 1000kl engine starts to miss under load what could cause this please help
Oct 10, 2008 at 3:44 AM
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MHPAUTOS
  • CAR REPAIR CONTRIBUTOR
  • 31,937 POSTS
Hi there,

Use a non resistor type spark plug this should make all the difference.

mark (mhpautos)
Oct 10, 2008 at 5:16 AM
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JAY ERICKSON
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  • 1 POST
could this also cause idle to go up and down as i just bought new platinum plugs that were recommended for it but old plugs were also platinum and the electrode was almost gone on them. jay
Sep 21, 2011 at 2:33 PM