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drumsticks2112 |
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Newbie ![]() Group: Members Posts: 7 Joined: 29-October 08 From: New London Member No.: 9,704 Region Association: Upper MidWest ![]() |
Car fires without a problem, but idles quite rough, and runs very rich, so much so that when the it settles down to normal idles, it floods out. MPS was replaced with a used but tested one recently. When it was last running ( a year ago) it ran a little rich, but nothing like this.
As of now, the CHT is not connected. When it is connected, the RPMs jump up to 4000 and stay there. When the CHT is bypassed with direct grounding of the harness, the results are the same as with the sensor being disconnected. I have no reason to suspect the injectors, FPR, Decel Valve, or the MPS. Any and all advice is welcome. -Todd |
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r_towle |
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Custom Member ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Group: Members Posts: 24,594 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States ![]() ![]() |
You will need an inline gauge to confirm how the FPR is set.
I would suspect the cold start injector first... Lets say its stuck open, and you keep getting fuel, no matter what. If you unhook the elec, it will still be stuck open. If you route the fuel hose around it and take it out of the loop, you wont be getting fuel anymore, but you may have created a new vacuum leak....so cap off both sides of the injector just to be safe. I had to do this..it stopped the flooding. IDK what your cold weather plans are, but I have driven it down to 20 degrees F with no cold start injector, no AAR, and no decel valve...it works fine without any of them till 20. I noticed your address and you might be in the OMG it cold part of the country..but at least you can drive it till then. rich |
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