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Honda Accord (1990-1993) Maintenance and Repair

1759 messages,  Last post on Dec 07, 2009 at 12:25 PM

You are in the Honda Accord Forum. Your Hosts are pat & karens

What is this discussion about? Honda Accord, Electrical, Engine, Coupe, Sedan


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#1705 of 1759
Oxygen senor, Catalitic converter? by cybercool
Oct 09, 2009 (7:00 am)
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Hi all,
 
My D4 light stopped blinking and now stays on constantly while driving causing the annoying slow driving. Will replacing the Oxygen senors and Catalitic converter solve the problem? I bought a used TCM box and that helped temporarily. Are all oxygen senors and catalitic converters the same?
 
Please help thanks
 
Jim
#1706 of 1759
TCM and ECM unit on the brink? by cybercool
Oct 14, 2009 (6:26 am)
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Hi all,
Will replacing the Oxygen sensors and muffler exhaust pipe fix the TCM blinking D4 dilema? My Honda AccordEX 93 is still driving in low gear with D4 light lit all the time even when put on reverse. I know gas is wasting away when driving like this as well as tranny damage.
 
You help is appreciated
 
Cybercool
#1707 of 1759
1990 Honda Accord DX starting issue. by legacys7
Oct 14, 2009 (10:56 am)
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I am having some problems getting my car to turn over; the engine cranks. belt move, getting gas from the fuel pump, no electrical shortages, but I noticed that the spark is very weak. I had a mechanic pretty much confirm what I had tested out already as fine but we tested out a new spark plug to see if I'm getting a spark, he couldn't see the spark, but I was able to see it, but it was very weak. Could this be related to the ignition coil or distributor? The bottom line, the engine cranks but doesn't want to turn over. My car was fine and this problem started a few days after I had changed my radiator.
#1708 of 1759
Re: TCM and ECM unit on the brink? [cybercool] by elroy5
Oct 14, 2009 (2:21 pm)
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Replying to: cybercool (Oct 14, 2009 6:26 am)

Will replacing the Oxygen sensors and muffler exhaust pipe fix the TCM blinking D4 dilema?
 
No. I think you have another bad transmission computer. Your computer is operating in "fail safe" mode (stays in second gear). If the D4 light stays on constantly, the computer is bad. I remember that much from my 92 Accord service manual. If you were to take the panel off of the computer you would probably see dark spots on the circuit board. That would confirm it. Where did you get this computer from? Used?
#1709 of 1759
Sport shift light by rchester
Oct 14, 2009 (6:55 pm)
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I have a 1990 Accord DX AT with 188,000 but the motor has about 91,000. My problem is I have a normal and sport bottom on my gear shift. when riding in the normal mode the sport light on the dash will start blinking, but it still rides normal. does this sound like big problem and what do I need to do.
#1710 of 1759
Re: TCM and ECM unit on the brink? [elroy5] by cybercool
Oct 15, 2009 (3:56 am)
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Replying to: elroy5 (Oct 14, 2009 2:21 pm)

Hi Elroy5
 
I bought the TCM on Ebay for $55 and it worked great for a few weeks.
I found out new will cost $369 or more.... OUCH!!!!
 
What should I do? I dont want to drive in second gear always, thanks
Jim
#1711 of 1759
Re: Sport shift light [rchester] by elroy5
Oct 15, 2009 (2:11 pm)
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Replying to: rchester (Oct 14, 2009 6:55 pm)

rchester
 
Read this link. It has a wealth of information about the "S" light, among other things about common Accord problems. Good luck
http://techauto.awardspace.com/transmission.html
#1712 of 1759
Re: TCM and ECM unit on the brink? [cybercool] by elroy5
Oct 15, 2009 (2:13 pm)
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Replying to: cybercool (Oct 15, 2009 3:56 am)

cybercool
 
Have you checked around at auto parts stores? Or searched online for refurbished computers. They can be fixed, but it's not something I could do.
#1713 of 1759
Re: Sport shift light [rchester] by riccardo2
Oct 17, 2009 (1:40 pm)
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Replying to: rchester (Oct 14, 2009 6:55 pm)

I had my mechanic replace a TCM with a used one. The job cost me about $300.
It probably could have been done for a much lower cost, but it was still worth it to me. I've had no further problem. Here's a site with a straight forward easy to understand explanation. When I first read it, I thought that I had written it.
 
http://autorepair.about.com/library/faqs/bl853d.htm
#1714 of 1759
1990 honda accord problem by clay99
Oct 18, 2009 (7:39 am)
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My daughter drove her accord about 15 miles right at the end of the trip it started to die on her then it wouldnt start. I jumped it it ran for another 15 miles then started to die then it surged to 1.5 rpm back to 0 up and down. Could it be the alternator. Please help soon. Stranded, Clay

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