Since I got my '96 CSE almost 3 years ago I would get an occasional hesitation in first or second. More in hot weather than not, but could be anytime. It wasn't like a misfire or hiccup... just a slight stumble. In that time the car has twice started on 3 cylinders. It ran fine after a minute or two. Once it threw a CEL, which cleared a couple of drive cycles later. Other wise the car ran fine and is plenty fast enough.

On Sunday I finally replaced my old DI with a new one I had bought before a long trip but never installed. At least so far the stumble--which I had noticed more often lately-- was gone. I was surprised at how much smoother the new DI made the car feel. Of course it's the same as giving a car with a conventional ignition system new cap, wires, rotor and coil, but overall drivability is really improved.

The current heat and humidity makes the car less than happy--it just lacked its usual poke going to CT yesterday-- but that will clear up with the weather and full power should be back soon.

FWIW, I use mid-grade gas all the time. Don't seem to get any pinging and I boost into bottom of the red before the ECU backs it down.

posted by 24.52.16...

• hesitation in low gears, yaofeng, Mon, 17 Jul 2006 17:05:33
  • Hesitation, DIs, heat, humidity, gas, Noel, Tue, 18 Jul 2006 06:04:37 <-- Viewing This Message
    • Using 89 in Aero (or HOT) engines...., TKC, Tue, 18 Jul 2006 08:02:59
  • Maybe it's really hot out and you are using....., TKC, Mon, 17 Jul 2006 18:06:44
    • Re: Maybe it's really hot out and you are using....., yaofeng, Mon, 17 Jul 2006 18:29:12
      • Hmm, well yes, if you want to keep the engine..., TKC, Mon, 17 Jul 2006 19:05:29
        • 87 in a turbo is a no-no....especially an Aero, David Ingram, Tue, 18 Jul 2006 07:58:47
        • DI cassettes, knocking, fuel prices, henry helfman , Tue, 18 Jul 2006 07:54:38

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