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Old 07-14-2015, 04:25 PM   #17 (permalink)
92civicvx
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Join Date: Oct 2013
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Panda - '92 Honda Civic VX
90 day: 53.55 mpg (US)

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Quote:
Originally Posted by GotToyota View Post
Question: So since I bought the car I have had issues with the idle occasionally dipping and sometimes stalling. The idle doesn't bounce, and I've replaced the throttle body gasket, map sensor o-ring, all the vacuum hoses except the lower PCV hose, PCV valve, upper PCV valve hose, distributor cap/rotor, spark plugs and adjusted the idle according to the service manual.

Is it possible that the lower PCV hose is the culprit? It's the only hose I haven't replaced. I did replace the PCV grommet that is at the breather chamber as well but the PCV valve that goes there is questionable, I wonder if I should replace it also?

Doesn't show the part on here but I'm wondering if #2 is the same as the upper PCV valve (#6 in the diagram, part number 17130-PM6-003).

Honda Automotive Parts
Spray some brake cleaner down on that hose and if the idle jumps vacuum leak, how are the condition of your plug wires?
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