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Honda CRX HF how the vacuum controls function on the carburetor
Sent to Car Experts October 18 12:19 AM

I am a mechanic who drives an 86 CRX HF (high fuel) car. I cannot find technical information that deals with the myriad of vacuum control solenoids, switches and vacuum valves that are inside the two black control boxes. Would you be able to help me find that information?
Thank you.
Rob

 

Optional Information:
1986 Honda CRX HF 1500

Already Tried:
Test driving with engine at operating temp and a vacuum gauge hooked to different supply lines to the carburetor. But these readings do not tell me the designed function of when and how the vacuum signals are controlled.

Customer (name blocked for privacy)
Status:  Closed   Value: $9
Answer
October 18 12:33 AM (14 minutes and 51 seconds later)
         
REPLIEDCheck Mark
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Please click on the accept icon in the top right side if your satisfied with my answer. Bonus and positive feedback are thanks enough Thanks 32dmadden
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32dmadden -- Auto Repair Shop Owner97% Positive Feedback on 420 Car Accepts
A.S.E. Certified Master Technician 32 yrs. Auto Repair Experience
Answer
October 18 12:35 AM (1 minute and 10 seconds later)
         
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32dmadden -- Auto Repair Shop Owner97% Positive Feedback on 420 Car Accepts
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October 18 11:48 AM (11 hours and 12 minutes and 58 seconds later)
         
Reply to 32dmadden's Post: Mr. Madden, Thank you for your reply. However the vacuum hose and solenoid control schematics were blurred beyond legibility. Secondly, not just the schematic but what governs the operation of the controls. I need to know when and how these function.
Can you offer information on that? Since I have not used this service before I did not mention this is a manual transmission equipped with CA. emission. Also unique to this car is a 5 wire oxygen sensor that I would also like to find out more about.
Customer (name blocked for privacy)
Answer
October 18 12:06 PM (18 minutes and 45 seconds later)
         
REPLIEDCheck Mark
Basicly you need a chapter of information on driveblity. The problem I have on this site is when I send a diagram my file size is limited to 250KB. By the time the files are compressed to this size the quality goes way down. Try going to Alldata online or www. eautorepair.com they have manuals online for your vehicle. You can get access for a week, month or year for one vehicle only. It's like $10 are a little more for the week. Check that out if you would like me to send everything I can do it E-mail. The files may be clearer. I'll be waiting to hear from you.

Please click on the accept icon in the top right side if your satisfied with my answer. Bonus and positive feedback are thanks enough Thanks 32dmadden
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32dmadden -- Auto Repair Shop Owner97% Positive Feedback on 420 Car Accepts
A.S.E. Certified Master Technician 32 yrs. Auto Repair Experience
Reply
October 18 12:17 PM (10 minutes and 48 seconds later)
         
Reply to 32dmadden's Post: Mr. Madden,
Thanks for your prompt reply. "a chapter of information on driveblity" yes indeed, that is what I need.
Please send all you can to wrench@nctv.com - if the files are large that is OK I have high speed internet service.
Regards,
Rob
Customer (name blocked for privacy)
Reply
October 18 12:59 PM (41 minutes and 25 seconds later)
         
Reply to 32dmadden's Post: Mr. Madden,
I just wanted to make sure you got my correct e-mail address; wrench@nctv.com

Regards,
Rob
Customer (name blocked for privacy)
Answer
October 18 1:16 PM (17 minutes later)
         
REPLIEDCheck Mark
Ok I will send them. It will be this evening before I can get them to you. The shop is packed. And I still have to answer questions. See you this evening. Bobby madden

Please click on the accept icon in the top right side if your satisfied with my answer. Bonus and positive feedback are thanks enough Thanks 32dmadden
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32dmadden -- Auto Repair Shop Owner97% Positive Feedback on 420 Car Accepts
A.S.E. Certified Master Technician 32 yrs. Auto Repair Experience
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October 18 1:29 PM (13 minutes and 14 seconds later)
         
Reply to 32dmadden's Post: Ok I will send them. It will be this evening before I can get them to you. See you this evening.
Thank you Bobby.
I am in East Texas; Central Time zone.
Rob
Customer (name blocked for privacy)
Answer
October 18 2:27 PM (57 minutes and 44 seconds later)
         
ACCEPTEDCheck Mark
I grew up in Waco

Please click on the accept icon in the top right side if your satisfied with my answer. Bonus and positive feedback are thanks enough Thanks 32dmadden
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32dmadden -- Auto Repair Shop Owner97% Positive Feedback on 420 Car Accepts
A.S.E. Certified Master Technician 32 yrs. Auto Repair Experience
Reply
October 18 4:50 PM (2 hours and 23 minutes and 1 second later)
         
Reply to 32dmadden's Post: Then you know where Tyler is.
I moved here one year ago.
Much better quality of life from where I was;
North end of San Diego county.
Rob
Customer (name blocked for privacy)
Reply
October 19 1:04 AM (8 hours and 13 minutes and 54 seconds later)
         
Reply to 32dmadden's Post: Bobby,
Presently going to bed > here it is midnight. If you want to close this, we should do it by tomorrow as I will be leaving for the weekend early Friday morning.
Regards,
Rob wrench@nctv.com
Tyler, Texas
Customer (name blocked for privacy)
Answer
October 19 10:39 AM (9 hours and 35 minutes and 24 seconds later)
         
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32dmadden -- Auto Repair Shop Owner97% Positive Feedback on 420 Car Accepts
A.S.E. Certified Master Technician 32 yrs. Auto Repair Experience
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