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Car Forum / Honda Cars / June 2006****98 Accord V6 Pinging Problem
Pinging on very moderate acceleration on level road. Cleaned plenum. Cleaned EGR port. Replaced EGR valve. Ran like butter for about 6 weeks and pinging gradually returned. Repeat procedure. Same exact set of results 2 times now. Only...he--hem..."high-test" will stop the pinging. Thoughts? > Pinging on very moderate acceleration on level road. Cleaned plenum. > Cleaned EGR port. Replaced EGR valve. Ran like butter for about 6 > weeks and pinging gradually returned. Repeat procedure. Same exact > set of results 2 times now. Only...he--hem..."high-test" will stop the > pinging. Thoughts? If "high-test" stopped the pinging, that's probably it. I could be wrong, but I believe that particular engine requires premium fuel. If not, then it could be the quality of the gas you're putting in it regardless of octane, or perhaps the ignition timing needs to be adjusted. >> Pinging on very moderate acceleration on level road. Cleaned plenum. >> Cleaned EGR port. Replaced EGR valve. Ran like butter for about 6 [quoted text clipped - 4 lines] > If "high-test" stopped the pinging, that's probably it. I could be > wrong, but I believe that particular engine requires premium fuel. The '96 Accord requires regular (87 pump octane).  SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ >>> Pinging on very moderate acceleration on level road. Cleaned plenum. >>> Cleaned EGR port. Replaced EGR valve. Ran like butter for about 6 [quoted text clipped - 6 lines] > > The '96 Accord requires regular (87 pump octane). Same for the '01, so probably the same for the '98 as well. >>>> Pinging on very moderate acceleration on level road. Cleaned plenum. >>>> Cleaned EGR port. Replaced EGR valve. Ran like butter for about 6 [quoted text clipped - 8 lines] > > Same for the '01, so probably the same for the '98 as well. I meant to type '98, but hit the wrong key and didn't proofread before sending. :( SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ >>>>> Pinging on very moderate acceleration on level road. Cleaned plenum. >>>>> Cleaned EGR port. Replaced EGR valve. Ran like butter for about 6 [quoted text clipped - 11 lines] > I meant to type '98, but hit the wrong key and didn't proofread before > sending. :( Oh, OK. I thought you were specifically stating what the '96 used as a point of reference and I was merely backing that up with what the owners manual of my '01 says. > Pinging on very moderate acceleration on level road. Cleaned plenum. > Cleaned EGR port. Replaced EGR valve. Ran like butter for about 6 > weeks and pinging gradually returned. Repeat procedure. Same exact > set of results 2 times now. Only...he--hem..."high-test" will stop the > pinging. Thoughts? 1) Carbon buildup in combustion chamber raising compression ratio; 2) Ignition timing overly advanced; 3) EGR flow insufficient to at least one cylinder (head passages plugged). SignatureTeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ > Pinging on very moderate acceleration on level road. Cleaned plenum. > Cleaned EGR port. Replaced EGR valve. Ran like butter for about 6 > weeks and pinging gradually returned. Repeat procedure. Same exact > set of results 2 times now. Only...he--hem..."high-test" will stop the > pinging. Thoughts? id try regular 87 from a different station. if you *have* to run 91 octane and the manual says 87 will work, somethings wrong. id also try some chevron fuel system cleaner. I've run a $10 can of cleaner that a local Honda/Acura specialist gave me.Nothing. Tech level stuff not avail a A-zone, etc. Had the code for insufficient EGR flow once and dealer TSB/recall "fixed" it...6 weeks and pinging again. No, i can't go back...been too long. Had same problem through MARTA last year when i cleaned it out and replaced EGR. 6 weeks fine. I buy gas all over the place...usually Exxon, Shell, but not always. The problem clearly causes insuff EGR flow which i assume causes the ping but damned if I can put my finger on it. So could off timing cause this to build gradually over the 6 weeks until pinging appears?? I did plugs, cap, rotor, timing...i SWEAR!!! At a loss for 3+ years now. thanks. Kevin Ooh Ooh Ooh!!! What he said!! Here's what the dealer supposedly did to mine back in 2001 or 2002. From a related post about 3 posts below this one: http://tinyurl.com/jvur3 <<Having described the problem above, I would like to get the service performed myself. I read the TSB from honda, and the procedure seemed simple. Basically cleaning of the EGR port in the intake manifold is required. Of course Honda also suggests that the EGR port on the intake manifold to be drilled with a "special drill" to make the hole bigger and insert some kind of "tube" that comes with the kit that is available at Honda dealer. The kit itself is around $80. My question is, is it worthwhile to get the kit and do all this drilling business or just replace the entire intake manifold ($160 - Honda OEM from dealer) ? Will the new Manifold have the bigger EGR port as Honda knows about this problem in the year 2000 and would have corrected the EGR ports on the new parts ? >> Oops. bad link. http://groups.google.com/group/rec.autos.makers.honda/browse_thread/thread/a48d5 06b313deff7 |
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