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p1300 codes but but runs fine?

p1300 codes but but runs fine?

Old 09-29-2018, 05:57 PM
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p1300 codes but but runs fine?

My 2001 S2000 has 155,000. It continues to run very well, but it throws trouble codes P1399, P0300, P0303, and P0304. Iíve checked all of the coils and spark plugs, and replaced injector #3. Iíve adjusted the valves twice and plan to do it again when the ďclick typeĒ valve adjustor tool I ordered from Amazon arrives next week.Recently, I took it to a shop here in town that does Hondas. They ran compression tests, both dry and wet. Dry: #1-200, #2-200, #3-170, #4-170. Wet: all 4 were 200. They concluded that #3 and #4 need rings.Today, I did a leak-down test on all cylinders. First I warmed up the engine. The results: All had 5% to 8% leakage. I listened for leaks in intake, exhaust, and crankcase locations. I could hear air through the dipstick tube during the tests for #3 and #4. Later, I tested again after the engine had cooled down. Again, all were within 5 to 8%. I could hear the air through the tube with the same relatively low level of intensity as before, but this time during the tests for all 4 cylinders.I donít really think the car needs anything. But, my problem is I canít register the car with the State of California because of the trouble codes. My question is do I really need to tear down the engine to fix it or is there more I can try to solve the problem?Thanks for your thoughts,

Jim

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Old 09-30-2018, 09:37 AM
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