Diagnosis:Aux Fuel Injector

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Old Jan 28, 2016 | 03:00 PM
  #1  
branboom's Avatar
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Default Diagnosis:Aux Fuel Injector

Hello, I'm rather new here, and to cars in general. But I have been reading.

I have a '91 CRX Auto DPFI. Hey, but it is red!

I was wondering if I could get a review of my symptoms and diagnosis.

It's been good to me, but, currently there are a few things going on that are fairly recent.
It started with a spark plug eroding to a non-firing condition. All four have been replaced. Now, the transmission disengages if I get up past ~3500rpm. After it's been disengaged, restarting the car re-engages it. There has been some slippery, and or hard engages. After these problems started, the fluid was topped up with non-ideal gas-station "Castrol Import Multi-Vehicle ATF". The 37820-PM5-C51 ECU is flashing 16 times then repeats. Code 16 is injectors. The lower, green injector "Auxiliary Injector" shows an abnormal 8.5 ohms. The upper, main injector is a nominal 1.3 ohms.

Looks like $60 USD for a new set of injectors.
Am I on the right track, are my facts right?

Is the transmission a possible symptom of the injectors? The wide range of performance this tranny is giving me makes me suspect it's mostly fine.


Last edited by branboom; Jan 28, 2016 at 03:03 PM. Reason: Currency
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Old Jan 29, 2016 | 05:43 AM
  #2  
v4lu3s's Avatar
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From: Conroe, TX
Default Re: Diagnosis:Aux Fuel Injector

Transmission and injectors are 2 separate issues.

Based on the resistance on the secondary injector i would replace it.
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Old Jan 29, 2016 | 07:25 AM
  #3  
branboom's Avatar
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Default Re: Diagnosis:Aux Fuel Injector

Ok, thank you. I'm thinking that if I have to replace injectors and the transmission, maybe I should swap the whole engine tranny package?

I'm thinking D-series with an auto...

Last edited by branboom; Jan 29, 2016 at 07:54 AM.
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