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1994 Acura Integra At 3 1/2 RPM's it shakes/wobbles and won

Tiny
LOGANGOLD16
  • MEMBER
  • 1994 ACURA INTEGRA
  • 4 CYL
  • FWD
  • MANUAL
  • 190,225 MILES
The check engine light is on and at 3 1/2 RPM's the car shakes and you can't go past 3 1/2 RPM's. What's wrong with it?
Saturday, August 7th, 2010 AT 7:11 PM

7 Replies

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Hi LoganGold16,

Get the trouble code retrieved to understand if the CEL is related to the problem.

Bridge the SCS and turnignition switch ON.
Count the blinking of the CEL to get the code.

Quick blinks = 1.
Prolonged blink = 10.


https://www.2carpros.com/forum/automotive_pictures/192750_SCS94IntegraLS_3.jpg

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Sunday, August 8th, 2010 AT 9:18 AM
Tiny
LOGANGOLD16
  • MEMBER
  • 4 POSTS
On the connecter there is only a 1 and 3 pin there is nothing in the 2nd spot.
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Monday, August 9th, 2010 AT 10:30 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Check if the wire is hanging around somewhere. Some one took it out and did not put it back in position.
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Monday, August 9th, 2010 AT 11:10 AM
Tiny
LOGANGOLD16
  • MEMBER
  • 4 POSTS
There's a yellow plug. It has three holes the one in the middle has nothing. And then in the back of the plug the two wires are leading to the 1st and 3rd hole. There is no chords or anything unconnected
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Monday, August 9th, 2010 AT 11:41 AM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
That is not the correct comnnector. It is for plugging in preOBD-II scanners.

Look for another coupler nearby with only 2 pins and wires. It could be tucked up somewhere in the wireharness.
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Monday, August 9th, 2010 AT 11:48 AM
Tiny
LOGANGOLD16
  • MEMBER
  • 4 POSTS
The code is 3 and 4. Code 3 stood for MAP sensor and 4 is reporting a misfire. Checked the power out of it and 5 coming in and 2.85 volts coming out. Changed spark plugs wires and rotor. No help, Slaved in new throttle assembly that didn't do anything different.
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Thursday, September 16th, 2010 AT 8:42 PM
Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Code 3 = MAP sensor. Check the wiring and vacumn hoses. Honda MAP seldom fails though it can occur.

Code 4 = Crank Angle Sensor, not a misfiring. Crank sensor is in distributor and if faulty, you would have to replace the distributor assy.
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Friday, September 17th, 2010 AT 7:36 AM

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