92 Accord hesitates under 3K RPM.

Tiny
WILLINPLAYA
  • MEMBER
  • 1992 HONDA ACCORD
  • 4 CYL
  • FWD
  • MANUAL
  • 250,000 MILES
OK this is where I am I replaced the radiator, hoses, thermostat, and repaired my fast idle sensor (my Idle is no longer jumping up and down) I also resoldered the Main relay for the fuel pump and fuel injection system.(This fixed my problem of the car not wanting to start on very hot day) Before when the check engine light came on it seemed to trigger a rev limitor and my rpm would not go over 4k. Sisnce I worked on it now when the light comes on the idle is no longer limited to 4k the new problem is that the engine seems to be very hesitant if the rpms are below 3 k once it hits that magic number the car takes off very quickly. So I jumped the test leads to see what the problem with the check engine light is. When I do all I get is a blink a pause for 3 seconds then another blink. It wasn`t flashing fast then slow like many people say it would to relay to problem to me. When the car is hesitating if I turn off the car then turn it back on the problem goes away so I am confused as to the problem since the blinking doesn`t seem to be relaying the code. Is a blink and three second pause then another blick a code?
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Monday, July 18th, 2011 AT 8:49 PM

7 Replies

Tiny
WILLINPLAYA
  • MEMBER
The hesitation is there only when I am in gear. If the car is in nutural and I stomp on the gas there is no hesitation at all and it is quick and responsive and there is no limitor on it. The tack will jump to 7k easily.
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Monday, July 18th, 2011 AT 9:04 PM
Tiny
RASMATAZ
  • MEMBER
Honda OBD1 DTC -31 is for a Automatic Tranny-31 Automatic Transmission Signal "B" defective circuit or unplugged / defective sensor

Could be caused by one of the following below

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock sensor
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard it and keep testing.
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Monday, July 18th, 2011 AT 9:37 PM
Tiny
WILLINPLAYA
  • MEMBER
The only sencer I removed was the collent temp sencor located where the housing for the thermostat and the hose meets the engine. According to my chilton manual that sencor is for the fans to turn on and off which they do when the engine warmes up. Also I am confused on your answer about the auto tranny. What does this mean:
Honda OBD1 DTC -31 is for a Automatic Tranny-31 Automatic Transmission Signal "B" defective circuit or unplugged / defective sensor

so since my car is a manual the code doesn t apply or is using a different OS?
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Monday, July 18th, 2011 AT 9:47 PM
Tiny
WILLINPLAYA
  • MEMBER
Thank you for the answer but it is very vague. Does anyone have a more spacific answer then check any of these dozens on sensors. I did not make a donation for such a vague responce. I could have got that responce from my chilton manual. And I am not just going to replace parts till I find the prob as that would get very expensive.
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Tuesday, July 19th, 2011 AT 1:41 PM
Tiny
RASMATAZ
  • MEMBER
Check and test if the clutch is slipping. BTW I didn't see your 2nd response-bear in mind this is not a simple fix-check it and get back with me asap-
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Wednesday, July 20th, 2011 AT 5:43 AM
Tiny
MOLSONCANADIAN
  • MEMBER
Hi there, I had the same problem, there are two fixes: 1) Change your coolant temperature sensor. It's right below the distributor. There is another sensor there also that looks alike, so don't get confused. The coolant temperature sensor (ECT Sensor) goes for around 30 bucks. Now 2) You gotta change your oxygen sensor, BUT ONLY WITH A DENSO OR NTK/NGK Brand, No other, otherwise Check engine light re-appears after 2 weeks, trust me I've been through this. You can get a Denso Oxygen sensor for about 60 bucks at Napa.
They are both easy to change easy location, all you need is a wrench. People will tell you it's the distributor or relay, it not!
Good luck.
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Wednesday, July 20th, 2011 AT 11:03 PM
Tiny
KHLOW2008
  • EXPERT
Has the problem been resolved?
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Tuesday, August 2nd, 2011 AT 10:26 PM

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