Question about 1996 Ford Explorer
I have had trouble with my 1996 explorer for 6 months now. We have had it towed to a repair shop 4 times and drove it in other times. It drives fine sometimes but other times it just starts loosing power and finally just dies. If you wait a little while you can sometimes start it back up and you can get a little further. The check engine light has been on for close to a year. When we would bring it in at first we were told it was the gas cap not on good. so we started to ignore it. ( it is rusty and we can't get it on good). Now we are told it needs an o2 sensor. Well instead of just fixing that they said they would try new plugs and wires it would be cheaper. Each time we get it out of the repair shop it seems to run a little bit but will start doing the same thing again. They finally ended up putting in 1 new o2 sensor. We don't drive it much anymore because everyone is afraid of getting stuck on the side of the road. So yesterday we get down the road about 2 miles and it starts in again. We were also told that if you turn it to the on position 3 times and then restart it that would clear something. Well that didn't work any better then just starting it. About half an hour before we had trouble we had drove it about 5 miles away and back and it ran just fine. Yesterday by the time we made it back the 2 miles we had a little smoke under the hood but I couldn't tell where it was coming from because it went away when I opened the hood. Do you have any ideas? I don't know if I trust the repair man we have been going to. We have just replaced the intake manifold, brakes, wheel bearing, routers, plugs and wires and the o2 sensor. When we got it back after the manifold was done it still didn't run to good and we discovered there was a hose not hooked up. What's your advice? Thanks!
Idle Re-learn Procedures
1) Turn off all accessories & disconnect the battery for 5 minutes.
2) Reconnect battery. Disconnect the Idle Speed Control (ISC) solenoid located just behind the throttle body on the drivers side of the upper intake plenum.
3) With the truck in NEUTRAL, run the engine at 2500 rpm for 30 seconds.
4) Let the engine idle for 2 minutes.
5) Put the truck in PARK (or NEUTRAL if manual trans.) and adjust the idle speed stop screw until the idle is at 700rpm.
6) Turn engine off and let sit for 2 minutes then repeat steps 1-5 once.
7) Disconnect battery for 5 minutes then reconnect.
8) Reconnect the Idle Speed Control (ISC) solenoid.
9) Run the engine at idle for 2 minutes.
10) Quickly depress the accelerator pedal to the floor and release it immediately, allowing the engine to return to idle.
11) Lightly depress and release the accelerator allowing the engine to return to idle.
After carefully following the above steps, the engine should now have reset its base idle to factory specifications. The idle should now be smooth and at approximately 700rpm at operating temperature. If this procedure does not correct the fast idle condition, carefully check for vacuum leaks at the throttle body flange gasket and at the intake snorkel to throttle body interface. If no vacuum leaks are detected and the condition still exists, a condition that is unrelated to the mechanical throttle body assembly exists and must be diagnosed and repaired.
Posted on Jul 15, 2008
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