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1998 Honda Civic check engine light

Tiny
TUNA29
  • MEMBER
  • 1998 HONDA CIVIC
  • 6 CYL
  • 2WD
  • MANUAL
  • 198,000 MILES
When I run my cars RPM's low I notice that my check engine light goes on but when I ride them high it seems to go off. Is it because it is a V-TEC that all cylinders open up at higher RPM's
Wednesday, October 29th, 2008 AT 4:42 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi Tuna29,

The CEL should not be showing and you need to get a diagnostic scan done to find out what is wrong.

V-Tec engines have 2 tier cam lift and at higher RPM the valves are opened more for more air to go into the cylinders thus increasing the volumetric efficiency and power.

However it depends on the type of V-tec, some are morte of a linear type for economy and woul dopen at a lower rpm.
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Wednesday, May 19th, 2021 AT 2:05 PM

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