1998 Civic EX Cylinder Misfire Troubleshooting - Help Please
#1
1998 Civic EX Cylinder Misfire Troubleshooting - Help Please
Hello all,
CEL codes 071, 072, 074 (no 073).
First symptom, car bogged a bit while accelerating at around 50 mph - no CEL. Gradually bogging & rough idle got worse & then light came on.
I did not check right away, and when I did today, pulled the codes above.
Car currently has 168k miles & is all stock & mostly OEM parts.
At 152k miles (28 months ago), I replaced ignition coil, cap & rotor & plugs.
I'm due to replace plugs & will do today. Wires are probably overdue too, but I would prefer to diagnose rather than just start replacing parts.
I came across the diagnostic advice below, but wanted to check with the Honda-tech community for:
advice on most likely sources of the problem.
advice for the most efficient diagnostic strategy..
Thank you in advance for your thoughts & help.
Best,
David
"How to Test Misfire Codes
(1.6L Honda Civic)"
[URL="http://troubleshootmyvehicle.com/honda/1.6L/how-to-test-a-misfire-condition-1"]
P0301 71 Misfire Cyl. 1 Or Random Misfire
P0302 72 Misfire Cyl. 2 Or Random Misfire
P0303 73 Misfire Cyl. 3 Or Random Misfire
P0304 74 Misfire Cyl. 4 Or Random Misfire
CEL codes 071, 072, 074 (no 073).
First symptom, car bogged a bit while accelerating at around 50 mph - no CEL. Gradually bogging & rough idle got worse & then light came on.
I did not check right away, and when I did today, pulled the codes above.
Car currently has 168k miles & is all stock & mostly OEM parts.
At 152k miles (28 months ago), I replaced ignition coil, cap & rotor & plugs.
I'm due to replace plugs & will do today. Wires are probably overdue too, but I would prefer to diagnose rather than just start replacing parts.
I came across the diagnostic advice below, but wanted to check with the Honda-tech community for:
advice on most likely sources of the problem.
advice for the most efficient diagnostic strategy..
Thank you in advance for your thoughts & help.
Best,
David
"How to Test Misfire Codes
(1.6L Honda Civic)"
[URL="http://troubleshootmyvehicle.com/honda/1.6L/how-to-test-a-misfire-condition-1"]
P0301 71 Misfire Cyl. 1 Or Random Misfire
P0302 72 Misfire Cyl. 2 Or Random Misfire
P0303 73 Misfire Cyl. 3 Or Random Misfire
P0304 74 Misfire Cyl. 4 Or Random Misfire
#4
Re: 1998 Civic EX Cylinder Misfire Troubleshooting - Help Please
Take cap off and look for cracks or burns in the cap rotor or coil. You can't tell much by looking at wires though.
#6
Stancetard Hate Monger
iTrader: (1)
Re: 1998 Civic EX Cylinder Misfire Troubleshooting - Help Please
mechanical timing requires no light, except maybe a flashlight. look at that, i didnt even have to leave the forum. https://honda-tech.com/honda-civic-d...ssion-2497191/
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