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Ping Elle-MichaelP-Tegger...
My '83 Civic has developed a hard starting malady (cold or hot engine).
Noticed it about four weeks ago just before I (flew) back east for a three week sojourn. Barely got it started the other morning after returning. The frist time it occurred, it went away after the engine reached operating temperature. Symptoms: * Fully depressed gas pedal to start (cold or hot) * Rough idle (occasionally stalls) * No control of timing when rotating distributor position * Engine "bucks" when driving while maintaining speed in 2nd or 3rd gear. What I did... * Disconnected the vacuum line that runs from the control box to the engine and feeds the distributor advance via a "T" fitting. Found that if I leave the line (semi) connected, i.e. hooked up from carb to control box but with the dist line disconnected (open), the engine idle increases but is rough. Reconnect, and engine slows down to the point of stalling. Same result if I simply put my finger on the open end of the "T" fitting that feeds the box and engine. So, something has failed and the Honda manual is as clear as mud. Is there a "work around" to solve this problem? Ol' Grumpy thanks you in advance! JT (Pun intended) |
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#2
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Ping Elle-MichaelP-Tegger...
For the record, about how far off is the timing?
What is the age at this point of spark plugs, ignition wires, distributor cap and rotor, air and fuel filters? Are the plugs, wires, cap and rotor OEM? (IIRC, you are averse to OEM, and you're also an old hand when it comes to basic tuneup stuff, but let's get it down here for the record, anyway. Lot of folks have had bad running problems and something as simply as new plugs or wires fixed it right up.) I would be doing what you're doing: Scouring the manuals and the net, with a lot of attention to carburetor problems. I am pretty clueless about troubleshooting carburetors. Clean 'em up thoroughly, possibly rebuild, watch out for getting all the vacuum lines hooked up right is all I know. Also, I'd be following all the carburetor checks listed in the 1984-87 Civic's factory service manual at http://www.honda.co.uk/car/owner/workshop.html , with attention to idle adjustments and especially cold idle. Not sure if your 83 differs a lot from the 84 Civics, though. Curly, SoCalMike and all the regulars here ought to leap in, AFAIC since IIRC some have carb experience. "Grumpy AuContraire" > wrote > My '83 Civic has developed a hard starting malady (cold or > hot engine). > > Noticed it about four weeks ago just before I (flew) back > east for a > three week sojourn. Barely got it started the other > morning after > returning. The frist time it occurred, it went away after > the engine > reached operating temperature. > > > Symptoms: > > * Fully depressed gas pedal to start (cold or hot) > > * Rough idle (occasionally stalls) > > * No control of timing when rotating distributor position > > * Engine "bucks" when driving while maintaining speed in > 2nd or 3rd gear. > > > What I did... > > * Disconnected the vacuum line that runs from the control > box to the > engine and feeds the distributor advance via a "T" > fitting. Found that > if I leave the line (semi) connected, i.e. hooked up from > carb to > control box but with the dist line disconnected (open), > the engine idle > increases but is rough. Reconnect, and engine slows down > to the point > of stalling. Same result if I simply put my finger on the > open end of > the "T" fitting that feeds the box and engine. > > So, something has failed and the Honda manual is as clear > as mud. > > Is there a "work around" to solve this problem? > > Ol' Grumpy thanks you in advance! > > JT > > (Pun intended) |
#3
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Ping Elle-MichaelP-Tegger...
Elle wrote: > > For the record, about how far off is the timing? > > What is the age at this point of spark plugs, ignition > wires, distributor cap and rotor, air and fuel filters? Are > the plugs, wires, cap and rotor OEM? (IIRC, you are averse > to OEM, and you're also an old hand when it comes to basic > tuneup stuff, but let's get it down here for the record, > anyway. Lot of folks have had bad running problems and > something as simply as new plugs or wires fixed it right > up.) > New gas tank, all filters, fuel pump, professionally rebuilt carburetor, wires, dist cap and denso(?) plugs. The problem definitely is vacuum (probably control box) related. > I would be doing what you're doing: Scouring the manuals and > the net, with a lot of attention to carburetor problems. > > I am pretty clueless about troubleshooting carburetors. > Clean 'em up thoroughly, possibly rebuild, watch out for > getting all the vacuum lines hooked up right is all I know. > > Also, I'd be following all the carburetor checks listed in > the 1984-87 Civic's factory service manual at > http://www.honda.co.uk/car/owner/workshop.html , with > attention to idle adjustments and especially cold idle. Not > sure if your 83 differs a lot from the 84 Civics, though. > I really don't suspect the carb except for maybe the low speed fuel cut off switch. > Curly, SoCalMike and all the regulars here ought to leap in, > AFAIC since IIRC some have carb experience. > > "Grumpy AuContraire" > wrote > > My '83 Civic has developed a hard starting malady (cold or > > hot engine). > > > > Noticed it about four weeks ago just before I (flew) back > > east for a > > three week sojourn. Barely got it started the other > > morning after > > returning. The frist time it occurred, it went away after > > the engine > > reached operating temperature. > > > > > > Symptoms: > > > > * Fully depressed gas pedal to start (cold or hot) > > > > * Rough idle (occasionally stalls) > > > > * No control of timing when rotating distributor position > > > > * Engine "bucks" when driving while maintaining speed in > > 2nd or 3rd gear. > > > > > > What I did... > > > > * Disconnected the vacuum line that runs from the control > > box to the > > engine and feeds the distributor advance via a "T" > > fitting. Found that > > if I leave the line (semi) connected, i.e. hooked up from > > carb to > > control box but with the dist line disconnected (open), > > the engine idle > > increases but is rough. Reconnect, and engine slows down > > to the point > > of stalling. Same result if I simply put my finger on the > > open end of > > the "T" fitting that feeds the box and engine. > > > > So, something has failed and the Honda manual is as clear > > as mud. > > > > Is there a "work around" to solve this problem? > > > > Ol' Grumpy thanks you in advance! > > > > JT > > > > (Pun intended) |
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