Question about Cars & Trucks
Thanks for your help. We got the high idle to stop ether by working the PCV valve hose or by putting our old throttle position senor back on. However, we still have a misfire, and we get codes P305 and P316 again now that code 122 has stoped.
Well code 316 means the computer has detected a miss during startup, and code 305 means cylinder number 5 is not producing power. That could be a lack of fuel, spark, or compression.
At least you know to check cylinder 5 for the problem.
Posted on Dec 02, 2014
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Posted on Jan 02, 2017
Some times the E.G.R. will stick half open. This will make the engine surge or have high idle. Try replaceing the E.G.R. located under the upper intake. Do not go with after market E.G.R. The spring in them are to powrefil and the E.G.R. wil not open. Also try replaceing the O2 sensors. This could give the engine more fuel thus a higher idle. Some vehicles the T.P.S. can be ajusted, do some checking to see if yours is adjustable.
Please contact me if your problem presists.
Posted on Feb 03, 2009
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