What to do when idle is not stable?
Nevertheless, I was able to successfully perform the idle relearn and get the idle to the correct spot. Drive the car for approx 10 minutes to get it up to operating temperature. Turn lights, A/C off. Park but keep the engine running. Disconnect fuel injectors, one at a time, until the idle drops below 1000rpm.
How can I tell if my idle control valve is working?
To check if an idle control valve is working properly, start by turning on your engine and letting it run for a minute or 2. Then, when it’s at an idling speed, take note of the RPMs in your car. Next, turn the engine off and disconnect the idle control motor under your hood.
What does it mean when idle control does not increase?
If the engine idle does not increase, it means there is an issue at the idle control motor of its circuit preventing the signal from changing the idle. You can purchase a bidirectional scan tool at your local auto parts store. Make sure the wiring harness is firmly connected to the idle control motor before conducting this test.
Can a car relearn if it won’t idle?
“I had read that the relearn won’t take if the car won’t idle under 1000rpm, although some seemed to be able to do this idling above 1000. Nevertheless, I was able to successfully perform the idle relearn and get the idle to the correct spot. Drive the car for approx 10 minutes to get it up to operating temperature.
Why does the Nissan Pathfinder have a high idle?
The throttle body for the Nissan Pathfinder is known for carbon buildup, and requires regular, light cleaning to maintain peak performance. After cleaning the throttle body, many owners notice a very high idle, erratic (bouncing) idle, and unpredictable power surging.
What are the most common problems in Pathfinder?
Updated 1/8/07, added rust details, tension rod problem and edited several inaccuracies. Problems with your fuel and temp gauges are common with the 95 and older trucks. On the back of your cluster is a small box with some wires coming out of it going to different points on the cluster.
Why are the exhaust manifold studs on my Pathfinder breaking?
WD21 Pathfinders with the VG30i and VG30E engines were built with weak exhaust manifold studs that are prone to breaking because the exhaust manifolds tend to expand unevenly when warming up and cooling down.
How to troubleshoot an automotive engine high idle?
The troubleshooting procedure for high and low idle conditions are similar, which are included in the following: Step 1 – If the check engine or service engine light soon has illuminated retrieving the diagnostic trouble codes could lead you in the right direction of what the problem is, or is related too.