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Car Forum / Honda Cars / February 2006followup: 1990 Honda Civic Wagon fuel economy
OP:http://tinyurl.com/buzlr I finally got around to checking into the poor gas mileage on my 1990 Civic wagon. I checked the distributor cap and rotor and they seem fine, along with the spark plug wires. I also changed all four plugs and the air filter, and adjusted the timing, which had been a little retarded. I dumped a bottle of fuel injector cleaner in there as well and checked the pressure on all the tires, and we'll see how it goes. I will report back after this tank. One thing I forgot to do is check out the PCV valve. We'll see if my problem gets better first and then I'll move on to additional testing. Theo I would check the oxygen sensor as well.......if you have never changed it..... > OP:http://tinyurl.com/buzlr > [quoted text clipped - 12 lines] > > Theo The fuel mileage seems to have remained the same, unfortunately. I'll check the PCV valve and O2 sensor later this week and report back. > I would check the oxygen sensor as well.......if you have never changed > it..... [quoted text clipped - 15 lines] > > > > Theo 89 Civic authomatic. The Mileage on my car seemed to go down. I was going to check out every part possible. I don't know if that really help. I put a new PCV because it's so cheap. I don't know if I want to O2 sensor which is not cheap. I checked distribuator and rotor which seemed to fine. So what might caused problem on mileage? I don't know if any other to look for improve mileage or I don't have mileage problem. I'm afraid that the engine might be the problem. I mean the engine power probably got weaken which caused weak tranny power. My car get around 28-32miles/gallon. What is yours? > power. My car get around 28-32miles/gallon. What is yours? 28 to 32 isnt BAD, but if youve noticed the mileage going down, it could be due for a simple tuneup- plugs oil change air filter if the wires, dist rotor, etc is original, it should be replaced too. same with the O2, which makes the biggest difference, i think. had the same problem. my accord mileage went from @27-22 to @22-17 and all for a stupid O2 sensor. when i got that replaced, all was back to normal. good luck  SignatureGripology http://www.automotiveforums.com |
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