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1990 B18A1 Integra Code 4

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Old Feb 19, 2012 | 05:15 AM
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Default 1990 B18A1 Integra Code 4

I just replaced the cv axles yesterday the car was running great until I was almost home and then about 2 blocks from the house it started to hiccup and the CEL came on. I got it to the house and yanked up the passenger floor mat to find that it was throwing a code 4. Crank position sensor, I believe?
The car is running extremely rich, and doesn't feel healthy.

What should I do?
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Old Feb 19, 2012 | 06:29 AM
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Default Re: 1990 B18A1 Integra Code 4

That model doesnt have one. Peobably looking at a bad map sensor or a vacuum line thats come off. Since its running rich. If the sensor is bad there about 250 at autozone. Or take one off another tegg. My 90 n 92 are the same.
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Old Feb 19, 2012 | 06:29 AM
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Default Re: 1990 B18A1 Integra Code 4

Check the crank position sensor and it's wiring...

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Old Feb 19, 2012 | 08:53 AM
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Default Re: 1990 B18A1 Integra Code 4

it's probably going to need a distributor, as the ckp resides in it and is non-serviceable. also, 85% of the time, with these da's, any ignition related issue is the distributor.
run through the flow chart though that fcm has provided. but chances are that is the problem
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Old Feb 21, 2012 | 08:08 AM
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Default Re: 1990 B18A1 Integra Code 4

I've ordered a new dizzy. It'll be in today.
You guys are awesome, much thanks.

Will keep everyone updated.
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Old Feb 21, 2012 | 08:09 AM
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Default Re: 1990 B18A1 Integra Code 4

Also, it wouldn't go over 3100 revs.
I don't know if that helps.
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Old Feb 21, 2012 | 10:48 AM
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Default Re: 1990 B18A1 Integra Code 4

looks like it might have been in safe mode as well, unfortuantely older integra dizzys are not the greatest. I have had many fail
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Old Feb 21, 2012 | 12:37 PM
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Default Re: 1990 B18A1 Integra Code 4

I just replaced the dizzy and now the codes are gone and it revs. However, it has trouble at idle and almost sounds like a WRX.
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Old Feb 21, 2012 | 03:50 PM
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Default Re: 1990 B18A1 Integra Code 4

Check the timing. 94
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Old Feb 22, 2012 | 04:29 AM
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Default Re: 1990 B18A1 Integra Code 4

The timing was just "done" by a couple guys I had come over. They told me that the reason it's running like that is the iac valve. I'm not at all convinced.
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Old Feb 22, 2012 | 05:05 AM
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Default Re: 1990 B18A1 Integra Code 4

did they use a timing light?
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Old Feb 22, 2012 | 06:34 AM
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Default Re: 1990 B18A1 Integra Code 4

They attempted to use a light but then just lined everything up to #1 cylinder TDC, then lined up the cam sprockets to the markings then used screwdrivers to hold the cams in place and tightened down the tensioner.
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Old Feb 22, 2012 | 06:56 AM
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Default Re: 1990 B18A1 Integra Code 4

That is valve timing, how about ign. timing?

You installed a new distributor, you need to "adjust" ign. timing, even if it is not your problem. 94
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Old Mar 3, 2012 | 02:35 PM
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Default Re: 1990 B18A1 Integra Code 4

The timing was correct. Cylinder #3 is only at 30psi. Could that be piston rings that are messed up?
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Old Mar 3, 2012 | 02:43 PM
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Default Re: 1990 B18A1 Integra Code 4

sorry for interrupting this post but I'm new so they won't allow me to create my own post but does anyone know a good website to get a ac friendly turbo for my 98 integra ls
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Old Mar 3, 2012 | 07:28 PM
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Default Re: 1990 B18A1 Integra Code 4

Originally Posted by TheEricNielsen
The timing was correct. Cylinder #3 is only at 30psi. Could that be piston rings that are messed up?


what did the other cylinders read?
if the rest read ok, try pouring a teaspoon of oil down that cylinder prior to the compression test.
if the rest also read bad, it sounds like your friends may have bunged up the timing belt adjustment
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Old Mar 3, 2012 | 07:28 PM
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Default Re: 1990 B18A1 Integra Code 4

Originally Posted by omarmm90
sorry for interrupting this post but I'm new so they won't allow me to create my own post but does anyone know a good website to get a ac friendly turbo for my 98 integra ls

check the forced induction section
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Old Mar 7, 2012 | 05:41 AM
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Default Re: 1990 B18A1 Integra Code 4

and updates on this issue? I'm curious to see the outcome..
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