1996 Nissan Wingroad engine surges

Tiny
DONHO1959
  • MEMBER
  • 1996 NISSAN WINGROAD
  • 1.8L
  • 4 CYL
  • AWD
  • AUTOMATIC
  • 62,000 MILES
When cruising at approximately 75 -90 km per hour the engine continually surges for a few seconds at a time with an increase of 2-400 RPM. It does not appear to do this at idle or while under acceleration. Thus far I have changed the spark plugs (which seemed ok) with no change.
Wednesday, November 11th, 2015 AT 10:45 AM

5 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
TRy replacing the fuel filter, it may be restricted.
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Thursday, November 12th, 2015 AT 3:42 AM
Tiny
DONHO1959
  • MEMBER
  • 3 POSTS
The fuel filter was changed 15,000 mi. Ago.
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Thursday, November 12th, 2015 AT 10:47 AM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
You may have contaminated fuel, check the filter as a precaution anyway, are thete any codes set, check for vacuum leaks as well.
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Thursday, November 12th, 2015 AT 3:18 PM
Tiny
DONHO1959
  • MEMBER
  • 3 POSTS
Never thought about contaminated fuel as this has been going on for a few weeks. Have switched to 95 octane fuel. No codes or warning lights, no vacuum leaks. Have cleaned the MAS sensor and added some injector cleaner to the fuel.
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Friday, November 13th, 2015 AT 1:35 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Sounds very fuel related, do not take anything for granted, re check filter and check fuel sample, if unsure of fuel take a sample to a mechanic for an opinion, also check fuel rail pressure.
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Friday, November 13th, 2015 AT 5:34 PM

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