Question about 1999 Ford Explorer

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My engine rpm at park is 1100-1200, how do i adjust down or what is the prob

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Have you tried a blip rev in park to switch off cold start (LIKE AN ELECTRONIC VERSION OF WHAT WAS A CHOKE YEARS AGO)
if not disconnect battery for thirty seconds and re-connect this may reset ecu keep in mind you could lose radio function if coded unless you have code dont do this

Posted on Apr 21, 2013

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Toyota corolla hatch 2002 idle at 2000 rpm when


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I have a 1984 ford f150. The truck idles very high when in park but when you put in drive or reverse it goes down to normal. It has duel straight exhaust on it and I wonder if that could be the prob. Idk.


you didnt say if it was happening only during the initial warm up of the vehicle or all the time. if it is just during warm up this is not too unusual as long as the engine isnt racing. if it is just a "high idle", say arround 2,000 rpm's its normal. the idle would usually go down as the vehicle reaches operating temperature. when you put the vehicle in gear, you are actually loading the engine slightly, thats why the idle comes down then. when in park the engine has no load on it so it is free to rev a little higher at these times. if it a at a high idle constantly, then i would start looking for sticking throttle cable, binding throttle plates, ect and remedy the problem. this should not have anything to do with the dual exhaust.

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The timing on my 1987 dodge dakota is way off. how do i fix it?


You will need to adj. your timing to do this>

REMOVAL

  1. Disconnect distributor pickup lead wire at wiring harness connectors.
  2. Unfasten distributor cap retaining clips and lift off distributor cap.
  3. Scribe a mark on the edge of distributor housing to indicate position of rotor as reference when reinstalling distributor.
  4. Remove distributor hold down clamp screw and clamp.
  5. Carefully lift distributor from engine.
INSTALLATION

  1. Position distributor in engine. Make sure rubber 0-ring seal is in groove of distributor housing. Align rotor with marks previously scribed on distributor housing. Clean top of cylinder block to insure a good seal between distributor base and block.
  2. Engage tongue of distributor shaft with slot in distributor oil pump drive gear.
If engine has been cranked while distributor is removed, it will be necessary to establish the proper relationship between distributor shaft and No.1 piston position as follows:

  1. Rotate crankshaft until number one piston is at top of compression stroke. Mark on crankshaft vibration damper should be in line with "0" TDC mark on timing chain case cover.
  2. Rotate rotor to position of number one distributor cap terminal.
  3. Lower distributor into opening, connect pickup coil leads and install distributor cap. Make sure all high-tension wires "snap" firmly in cap towers. Install distributor hold-down clamp screw. Tighten screw finger tight.
    1. Connect distributor pick-up lead wire(s) at wiring harness connectors.
    2. Adjust engine timing to specification (refer to Ignition Timing).
85128526

Basic ignition Timing Adjustment 3.9L Engine

  1. Locate and ground out the carburetor switch idle stop contact with a suitable jumper wire.
  2. Disconnect and plug the vacuum lines at vacuum transducer on the SCC and the air switching valve on the emissions air pump.
  3. Set the gearshift selector in park or neutral and apply the parking brake.
  4. Using a magnetic timing unit, insert the pickup probe into the open receptacle at the left of the engine between the power steering and the water pumps. If a magnetic timing unit is not available, use a conventional power timing light connected to the number one cylinder spark plug wire.
  5. Bring the engine to a normal running temperature. This can be done by allowing the engine to idle for 5 to 10 minutes when the ambient temperature is around 21°C (70°F).
  6. Adjust the engine idle rpm to the specifications on the VECI label in the engine compartment.
  7. Check the basic timing when using a power timing light). If the basic timing is correct, remove the jumper wire, reconnect the vacuum lines and disconnect all test equipment. If the basic timing is NOT correct, proceed to step 8.
  1. Loosen the distributor hold-down bolt allowing the distributor to be turned with some resistance and adjust the basic ignition timing to the specifications on the VECI label. After adjusting the basic ignition timing, recheck the idle rpm and secure the distributor. Recheck the timing once again to verify that the timing is correct.
  2. Remove the jumper wire, reconnect the vacuum lines and check the idle rpm (adjust if necessary), disconnect all test equipment.
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  2. Remove the jumper wire, reconnect the vacuum lines and check the idle rpm (adjust if necessary), disconnect all test equipment.

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1 Answer

In park rpm goes from 1100 to 2000


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