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1992 Isuzu Trooper sparking.
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mikeraydj
New User
May 21, 2015, 10:33 AM
Post #1 of 5
(1216 views)
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1992 Isuzu Trooper sparking.
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I just bought a 1992 Isuzu Trooper. I seems to run strong with a V6 3.2 liter engine, standard tranny, and over 200,000 miles on it. I have noticed that somewhere on the engine I am hearing an intermittent sparking or snapping sound when the engine is running. Does anyone have any ideas as to what may be causing this? Also my speedometer intermittently works. Does the 1992 use a sensor or cable for this? Thanks for your help.
(This post was edited by mikeraydj on May 21, 2015, 10:49 AM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
May 21, 2015, 7:10 PM
Post #2 of 5
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Re: 1992 Isuzu Trooper sparking.
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Can you narrow this down some as noises are tough enough. Electrical noise or some other "snapping" noise is a pretty wide field.
Speedo cable or not. I'd even have to look to see. Electrical snapping is usually high voltage items like secondarys for spark - plugs, wires, cap, rotor etc.
Cables for speedo failures can "whirr" hmmmm or other but wouldn't call that "snapping" ??
T
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Discretesignals
Ultimate Carjunky
/ Moderator
May 22, 2015, 4:39 AM
Post #3 of 5
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Re: 1992 Isuzu Trooper sparking.
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When it is dark outside look around the engine while it is running. You might be able to see spark leakage if that is causing your snapping noise. Usually the snapping noise will happen at the same time you hear the engine miss.
It uses a vehicle speed sensor.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
(This post was edited by Discretesignals on May 22, 2015, 4:41 AM)
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mikeraydj
New User
May 22, 2015, 5:54 AM
Post #4 of 5
(1176 views)
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Re: 1992 Isuzu Trooper sparking.
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Thanks for the help. I found the spark. It is arcing on the coil pack for the #6 cylinder so I will need to replace the coil. Does anyone know where the speed sensor is located on my vehicle? As my speedometer is working intermittently.
Thanks again.
(This post was edited by mikeraydj on May 22, 2015, 5:55 AM)
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Discretesignals
Ultimate Carjunky
/ Moderator
May 22, 2015, 8:12 AM
Post #5 of 5
(1169 views)
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Re: 1992 Isuzu Trooper sparking.
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If you have spark popping out of the coil, you might want to go ahead and check your plugs and replace your plug wires. If the wires or plugs are worn out or if the terminals in the wires are corroded, you'll pop another hole in your new coil.
speed sensor is on the extension housing of the transmission.
Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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