Question about 1986 Jeep CJ7

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What is the ignition timing settings for an 86 jeep cj7 6-cylinder engine?

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Depends on elvation but about 8 deg adv.

Posted on Aug 24, 2010

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Posted on Jan 02, 2017

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I have a 2002 jeep liberty kj 3.7L and the fuel pump relay clicking slowly but constantly with ignition in off position? Relay already replaced, so not that. Ideas?


Are you sure that it is in fact the fuel pump relay ? With the key off no B+ voltage is supplied to the relay . Pin 86 at the base ,where the relay plugs into . Fuse #15 a 10 amp fuse is hot with ignition switch in the run or start position . Pin 85 is control from the PCM - engine computer . Pin's 30 & 87 are the load side , fuel pump being the load . If your unfamiliar with the pins i'm talking about , pull the relay out an look on the bottom ,you will see these numbers .Pin #30 will show B+ voltage all the time , pin 86 only with the key on or start .

Mar 07, 2017 | 2002 Jeep Liberty

2 Answers

How to set timming of cherokee 2004 cherokee engine


Hi Leonciomanal,
This is not a quick answer type of question. Do you have a timing light? If not, then you'll need to get one. If you have one, connect it to the number 1 spark plug and aim the light at the timing mark on the flywheel of the timing belt. Loosen the distributor cap and turn it slowly to adjust the timing as necessary.

Hope this helps. Please rate this response
Randy

Nov 02, 2012 | 2004 Jeep Grand Cherokee

1 Answer

I need a picture and spark plug diagram and timing degree setting for a 1987 jeep wrangler with a 4.2 engine


Check this on 1987 Jeep Wrangler 4.2 liter L6 VIN "C" 2-bbl

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Ignition timing is a measurement, in degrees of crankshaft rotation, of the point at which each cylinder's spark plug fires. It is normally listed as a specification in degrees before or after Top Dead Center (TDC) of the compression stroke.

On the 4.2L engine, the timing can be adjusted by turning the distributor in the engine. A graduated timing degree scale located on the timing case cover is used for reference when timing the ignition system. A milled index notch in the vibration damper is used to align the No. 1 cylinder ignition position of the crankshaft with the correct timing degree mark on the graduated scale.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Nov 24, 2011 | 1987 Jeep Wrangler

2 Answers

Check engine flashing engine misfire jeep cherokee Engine codes show misfire on 1-4 cylinder check engine light flashing at 75mph AC running


1st, replace your spark plugs(for gasoline engine) or heater plugs (for diesel engines)

if this does not work, have a mechanic check the timing of your engine. Engine timing is checked in the distributor, camshaft, and crankshaft.

Aug 05, 2011 | 2003 Jeep Grand Cherokee

3 Answers

I changed my spark plugs and afterwards the chech engine light came on. the jeep runs great. what can make that happen?


IT could be something such as a loose plug wire.The best advise I can give you is to take your jeep to your local auto parts store and have them pull the codes out of your on board computer.This will give you an area that you can concentrate on to make the necessary repairs to get your check engine light to go out.

Feb 21, 2011 | 2006 Jeep Commander

1 Answer

Need avacuum diagram for a1980 258 6 cylinder out of a jeep wrangler where do i look or find this


1980-86 6-258 with manual transmission, except California

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1980-86 California 6-258 with automatic transmission

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1980-86 California 6-258 with manual transmission

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1980-86 Canadian 6-258 with automatic or manual transmission

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Hope this help (remember rated and comment this).

Mar 25, 2010 | 1989 Jeep Wrangler

1 Answer

Timing on a 1990 Wrangler with a 4.2 liter


4.2L 6-Cylinder

1. Set parking brake. Shift automatic transmission to Park or manual transmission to Neutral. With A/C off, start engine and attain normal operating temperature.

2. With ignition OFF, connect an ignition timing light and a calibrated, expanded-scale tachometer.

3. Disconnect 4 " and 10 " Hg (CEC System) vacuum switch assembly wire connector (located at top of valve cover). Disconnect and plug distributor vacuum advance hose.

4. Start engine, increase engine speed to 1600 RPM and check ignition timing. Adjust timing to specification listed on Emission Control Information label (if necessary). Tighten distributor hold-down clamp and recheck ignition timing.

5. Turn engine off and remove timing light and tachometer. Connect No. 1 spark plug lead, if disconnected. Unplug and connect distributor vacuum advance hose. Connect vacuum switch assembly wire connector.

NOTE: If timing light has an adjustable advance control feature, turn control to OFF position.

Timing is set per the emissions tag under hood.

Jan 16, 2010 | 1990 Jeep Wrangler

1 Answer

86 nissan z24 engine


Ignition should be set to 5 degrees ( +/- 2 degrees)

Before setting ignition timing, be sure to disconnect and plug vacuum hose to vacuum advance unit on distributor.

Sep 07, 2008 | 1986 Nissan King Cab

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