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Old 28 Dec 2012, 02:01 am
C.O C.O is offline
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Join Date: Apr 2011
Posts: 5
Default Is the distributor on my Honda bad?

First off, I have a 1989 Honda Prelude with the 2.0 SOHC Carb. When I start the car on a cold day it runs very bad, misfiring like crazy. Until it warms up a bit then it gets better but still misfires. And sometimes I get a very long crank to just to get it started. I have a trouble code that comes on, it tells me its the "crank angle". I did some research and found that the crank angle sensor is inside the distributor on my car. It makes sense because of the misfiring, but why does it get better when it warms up for 10 min? I replaced the cap , rotor, wires, plugs, air filter, coolant sensor, pcv valve, and both fuel filters. Also there is a vacuum advance for this distributor, and I have had a vacuum problem recently. My brake pedal is very squishy. Anyone else had this problem? I found a new distributor, just wanted to get another opinion before I ordered it. Thanks
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Old 28 Dec 2012, 02:16 am
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Join Date: Oct 2012
Posts: 195

Unfortunately you can not change the sensor unless you change the distributor. When you do change it, be aware of the position of the distributor and the rotor when you install the new one.
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Old 28 Dec 2012, 02:32 am
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Join Date: Mar 2008
Posts: 343

I think the code you get answers it all bec if the crank angle sensor is located inside the distributor then the only way to fix it is replace the whole piece.I'd suggest that you take pictures/vids and mark the parts as you do the work this way you will have something to fall back on. It might be a good idea to get yourself a actual Honda factory service manual for that car so you can use it to help and guide you etc through the process, plus it will have schematics/diagrams etc.

Electronic parts can do that when cold they may not work or when warm etc or when hot they work better.From what you're saying it sure points to a electronic part that is acting up and again if the code you're getting indicates crank angle sensor , plus if the symptoms are misfires the two things are obviously linked.Note the ECM gets vital firing order info from that same sensor so again it points to that sensor being faulty but also check the sensors wiring bec it has to plug in some place and unplug in order to be able to replace the distributor assembly.Also on that old of a vehicle the sensor wiring could be frayed/bare or damaged etc.

Hope that helps and Merry Xmas.By the way here's a link to get a service manual for your car for free.

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