Speedwagon Posted December 27, 2009 Share Posted December 27, 2009 '85 Brat: When the car is started at cold, there is a very clear miss as I hold the RPMs up. If I just start it, and don't rev it up for a minute, it will idle very slowly and eventually die. So long as I hold the RPMs up for a minute, when I let off, the idle goes to normal, and all is fine. Plugs/cap/rotor/wires are all new. I thought maybe valve clearance would be in issue, but I checked under the hood, and it tells me no adjustment is necessary, so I'm guessing hydro lifters in this. What is the next thing to check? It seems to me like it is only on one cylinder that the miss occurs, and only when cold. Link to comment Share on other sites More sharing options...
naru Posted December 27, 2009 Share Posted December 27, 2009 Choke operation,choke pull-off,fast idle adjustment,cold compression. Link to comment Share on other sites More sharing options...
Speedwagon Posted December 27, 2009 Author Share Posted December 27, 2009 Choke operation,choke pull-off,fast idle adjustment,cold compression. I know the choke functions: I watched it close after pushing the pedal down, and started the car and watched it open(at least halfway, then I turned the car off). I need to check more into the fast idle adjustment I suppose, and cold compression. Link to comment Share on other sites More sharing options...
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