1995 Honda Accord Engine miss

Tiny
JJWOOD
  • MEMBER
  • 1995 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 15,300 MILES
Upon very light acceleration it drops a cylinder. My garage is on a hill and when I drive the car into the garage it fires on only 3 cylinders. One is not fireing at all. Does the same thing when you back off the gas pedal very lightly like on the expressway when you need to slow down slightly for a car in front of you.I have replaced spark plugs, wires, cap, rotor, PCV valve. I've checked the compression and that is very good. The injectors have been cleaned and it runs only a little better. Any idea's?

Thanks, JJ
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Monday, September 8th, 2008 AT 7:16 AM

5 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi jjwood,

If the rpm is stuttering at between 1500 to 2500 rpm, then I would suggest check the EGR system.
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Monday, September 8th, 2008 AT 10:03 AM
Tiny
JJWOOD
  • MEMBER
  • 2 POSTS
It doesn't really stutter. It has one cylinder that just stops firing. Feels just like you pull off a plug wire. BUT. It is in that RPM range

Thanks!

JJWood
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Monday, September 8th, 2008 AT 10:46 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi jjwood,

Temporarily disconnect the EGR vacumn hose and see if the problem goes away.
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Monday, September 8th, 2008 AT 1:59 PM
Tiny
JJWOOD
  • MEMBER
  • 2 POSTS
Yes, It runs great with the vacuum line off the EGR valve.
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Thursday, September 11th, 2008 AT 5:43 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi jjwood,

You have found the source of the problem and now we are getting to the difficult section.

There are many possible causes for the EGR to be operating strangely.

1. Throttle position sensor calibration.
2. EGR valve.
3. EGR solenoid.
4. ECM
5. EGR valve exhaust passage.
6. O2 sensor.

I would suggest getting the eingine on a diagnostic to check all the operating data readings tp isolate the cause.
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Thursday, September 11th, 2008 AT 8:00 AM

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