Varnish buildup in engine may cause ticking noise on Honda Passport

Varnish build up in the engine can cause one or more hydraulic lash adjusters to stick and cause a ticking noise in the engine. The noisy hydraulic lifter will need to be located and cleaned to stop the noise.

RepairPal Verified
Average mileage: 181,750 (115,000–230,000)
Engine affected: 3.2L V6
4 model years affected: 1994, 1995, 1996, 1997 more
14 people reported this problem
6 people shared problem details
1995 Honda Passport- 3.2L V6172,000
ticking in engine like valve tappet ? Varnish in engine makes sense how do yuou clean it ?
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i have ticking i have useing marvel mys, oil, it stops and at idle noise comes back.
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1997 Honda Passport- 3.2L V6
I got a 1997 Honda Passport with 3.2 engine with 180K miles and it had a ticking noise in engine. I put some engine oil additive in it, and it did not seem to make any difference. I sold this same Honda Passport with 192K miles and it had a ticking noise in engine. It was running strong when I sold it, just got tired of shifting that 5 speed. I still see it being driven around town a 2 years later, and I bet it has over 200k now, and bet it still has that ticking problem.
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1994 Honda Passport- 3.2L V6230,000
Started to notice the dreaded ticking, going to try the engine flush when I get back from theis roadtrip. Yikes. Hope I make it back to the garage.
1995 Honda Passport- 3.2L V6160,000
ticking in the valves.
added heavy weight oil at oil change, no real improvement in tapping noise, but engine runs strong and smooth
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