1994 Honda Accord Feels like transmission is slipping

Tiny
PYRON21
  • MEMBER
  • 1994 HONDA ACCORD
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 185,000 MILES
When I drive my car anywhere when I accelerate the rpm's go up just over 3k before the transmission shifts gears and sometimes after a lot of stop and go the car goes into limp mode and wont shift out of first gear is it the transmission going out or something else?

David
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Tuesday, December 29th, 2009 AT 8:45 AM

7 Replies

Tiny
KHLOW2008
  • EXPERT
Hi David,

Does the D4 light blinks while driving?
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Thursday, December 31st, 2009 AT 12:28 PM
Tiny
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The d4 light isn't blinking but when I short the diag connector it blinks a code of 1
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Saturday, January 2nd, 2010 AT 10:05 AM
Tiny
KHLOW2008
  • EXPERT
Code 1 = Defective Lock-up Control Valve or its wiring circuit.

It should not be related to the non shifting and is more likely to be an after effect.

Is it a quick or prolonged link? 1 and 10 are different problems.

The other possibility is a faulty TCM.
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Sunday, January 3rd, 2010 AT 6:48 AM
Tiny
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The light blinks quickly and always the same I'm not sure if it's a code of one or not.
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Tuesday, January 5th, 2010 AT 8:26 AM
Tiny
KHLOW2008
  • EXPERT
That means a code 1.

A fault with the lock up clutch system.

One of the common fault for the problem would be a faulty TPS which does not show any code.

Another possible cause would be the TCM
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Tuesday, January 5th, 2010 AT 11:14 AM
Tiny
PYRON21
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How do I find out specifically whats causing the issue without being able to plug into the computer and use a scan tool?
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Tuesday, January 5th, 2010 AT 5:02 PM
Tiny
KHLOW2008
  • EXPERT
If you are able to use a DVOM, you can test the TPS voltage either at the ECU or the TPS sensor. To test via the TPS sensor you would need to make an adapter or extend the wires to be able to test the voltage.

If the ECU is used for testing the voltage, you can use the DVOM to back probe the terminals but you would need an assistant to operate the accelerator.
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Wednesday, January 6th, 2010 AT 6:41 AM

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