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Date: Mon, 28 Dec 1998 19:46:08 -0500
From: "B. Vibert" <usgtrvtqnopsamail.com>
Subject: Re: More thoughts on my pinging problem


Network Voyager wrote: > > >Hi, again, Firestarter - - - > > > >Forget your pressure regulator, it's working just fine, too. Remember > >that the box has the capacity to adjust the *duration* of injection - > >that's where the quantity of flow is determined. A major role of the O2 > >sensor is to determine how flow is relating to the combustion process, > >with the box then determining how long/much to inject +/-. Hi I missed the first part of this conversation so I may be off base here. If this is a K-jetronic type system there is no duration of injection, it is pressure regulated. More air flow (fine tuned by O2 sensor and other sensors) means more pressure which causes the injector to flow more. I would suggest tuning the mixture as it appears to now be beyond the range that the O2 sensor can correct for. If it is K-jetronic you need a 3mm hex key (I think) and a tiny adjustment makes a large change. > > >Pressure regulation assures efficient operation of the injectors. As > >gasoline engines don't depend on pressure to operate the injectors, wear > >can be compensated for (an is) on each individual injector. Depends on the system, some systems don't work this way. > > So if everything is then good then the car will likely run for a > bit as there is fuel flow but no regulation (once part removed).... > Aftermarket rising-rate pressure regulators are a popular addition to modified K-jetronic engines. What system is on the car in question? Burl Vibert > > > >bob noble > >Reno, NV > > > >Firestarter wrote: > >> > >> This is a continuation from my earlier post entitlted "Turbocharged > >> engine pings under boost".

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