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Hybrid Vehicles Honda Civic GX (natural gas) Honda Civic GX Engine Questions
55 messages, Last post on Mar 29, 2009 at 9:12 AM
You are in the Honda Civic GX (natural gas) Forum. Your Host is pf_flyer
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Replying to: thatdeonguy (Dec 28, 2005 11:36 am) you're right about the dealer not wanting to sell the CNG Fuel filter. They don't outright refuse, but to have them replace it costs $132 (Part + 1 hr labor), and to purchase the parts is $849. I am strongly leaning towards having the dealer do the replacement (duh!). Good luck in your weekly runs to Big Bear. I'd rarely get 200 mi range, you must have larger tank(s). All the best, Jerry |
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Replying to: jerrylippmann (Dec 28, 2005 9:06 am) John |
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Replying to: jerrylippmann (Dec 28, 2005 1:44 pm) Replacing the low pressure filter is similar to replacing an oil filter. The first step is to relieve the fuel pressure between the engine and the manual shut-off valve. I hope this does not become a dealer scam to sell both filters every 10,000 miles when the schedule indicates only an inspection of the high pressure filter every 10,000 miles. The factory service manuals can be purchased from Helm. The web site is www.helminc.com |
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Replying to: fbaldwin (Dec 28, 2005 10:20 pm) I love this forum, you guys are the best. I have been looking everywhere for the Honda Service Manual GX Supplement. Thanks for the info, I just ordered one. Speaking of Dealer scams, my Dealer informed me that they recommend removing the CNG tank  40,000 miles to inspect and check for leaks. For only $550.00! I know that before I bought the car it had a warranty service to repair a gas leak. And since I don't smell gas I think I'll hold off on that dealer recommendation. I did ask the dealer to print out all the warranty repairs Honda had in it's computer for my VIN. I bought the car just after the warranty expired. I have most of the original work orders from the previous buyer but it was nice to double check what had been serviced before I bought the car. Thanks Again! Deon |
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Replying to: fbaldwin (Dec 28, 2005 10:20 pm) He again attributed my rough idle to non-OEM parts (I guess Bosch doesn't know how to make Platinum plugs, or automotive spark plug wires). When I was ready to take the plunge and buy the Honda parts, the guy at the parts counter had seen the rough idle problem in the past, and knew it had been fixed by changing the distrubutor base plate. This is the main housing which carries the spindle, and the dist cam sensor. He didn't know whether it was bearing wear causing spindle wobble, sensor position, or sensor failure, but he was pretty sure it would work. HE WAS RIGHT! $225 USD later, my rough idle was gone. This was great info from a guy who does not diagnose car trouble, but observed what worked to solve this problem in the past. He also agreed with me that Honda parts makers don't have any proprietary pixie dust to make their parts work better than other equivalent parts from alternate suppliers. All the best, Jerry
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Replying to: jerrylippmann (Dec 28, 2005 1:44 pm) There was no restriction on over-the-counter sales. But the parts guy had a lot of trouble finding the part in the catalog. I needed to show him the diagram in the Honda Service Supplement. It appears that the dealer staff may not have the best training or expierence. Changing this filter requires specific understanding of the GX fuel system and IS NOT simple as changing an oil filter.
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Replying to: thatdeonguy (Dec 28, 2005 11:36 am) Michael |
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Replying to: jerrylippmann (Dec 30, 2005 8:56 am) But this item is very important, not a dealer scam. It prevents contaminants from getting into your engine. There is variation in the quality and content of CNG Fuel obtained at filling stations. Don't skip this maintenance. The high-pressure fuel filter is another story. That does not need to be changed until much higher mileage.
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Replying to: nostrom0 (Apr 03, 2006 11:43 am) Thanks. |
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Hi , I am new to this message board, so please bear with me. I just purchased a Civic GX from Ebay and received it a month ago. It is a 1998 Honda Civic GX model with only 18k on it. However, after I drove for a week, the engine light is on. It does not have any noticable problem except sometimes the rpm is rough when stop. First, I brought it to a local mechanics who called himself as "Honda Specialist". He claimed it needs a major tune up (with valve adjustment) for $500. If the light is still on, then it needs to replace the ECM (The computer) which costs over $800. I told him to do the minor tune up but not the valve adjustment which I believe it has nothing to do with the engine light on and valve should not be adjusted after 100k (not 18k). After minor tune up and he cleared the engine light code, it runs fine for a week and then the light is on again. Does any of you have the engine light on experience and the car is driving totally fine? What is the finding? Is there any relationship between the engine light and valve adjustment? On the other hand, I did smell some natural gas inside the vehicle after parking overnight or days. Is it normal? If I want to bring it to Honda dealer, does it requires for CNG technicians? Please advise. Thanks in advance William |
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