Idle at 2.2
#1
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Idle at 2.2
94' fd is idiling at 2.2, bumps up to 2.4 and then falls back to 2.2. Problem started on a 120 mile drive all on the highway, didnt notice that it was doing it until I got back into town and stopped at a light. I reset the ecu about 50 miles before the trip and have found no engine codes since then. Last engine codes before the ecu was reset was 11 and 16, but as stated earlier I have yet to see these appear again. Is it safe to drive? Any feedback is much appreciated. By the way, checked a few vacuum lines but cant find any problems yet, not sure if it is time effective to dive deeper into this route. Thanks again.
-David
-David
#2
Had some similar symptoms with my FD too. It started around 2200rpm and then dropped to 2000rpm, plus started to get irratic idling, this was caused by a leak in the lower inlet manifold gasket. If it's never been done before it's a good place to check as it's a fairly common fault. Just a thought. Am no expert though.
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Will try that. Update on situation, I have found out that if I turn off the interior fan and a/c that it will idle at about 1600. Also, my only mods are a fluidyne radiator.
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Do you guys who have replaced the LIM gasket know of any good walkthroughs or references to the factory service manual to help me out, Im obviously a noob to engine work.
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