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Maintenance & Repair Maintenance & Repair - Archived Discussions Q45 Troubles 
135 messages, Last post on Jul 28, 2001 at 10:10 AM
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Any 11 year old luxosport should scare you [even a 90 LS400 [most reliable of the group of 5] can need AC, PS, Display, Radiator/heater work for a quick $3400] if you don't want to spend your purchase price every two years in maintenance at least during the lets get it in shape period. How do you think a $38k in 1990 [$53k in current dollars] car gets depreciated to $6,000 [Q] because many components [not $47k worth but the car only cost $35k to make so half] are worn due to age. Low Mileage can be bad as many people don't change the oil every 3 months and some owners think once a year is ok if they only drive 7,000 miles. Plus most of the other fluids never get changed! Generally the Q engine internals are bullet proof if the oil is changed and the chain guides are replaced. Sometimes you get lucky and all the wear items get replaced but not likely since the worst period maybe from 100k to 150k. Generally you would be better off in looking at 94 Q models they are at least $800-$1,000 per year less expensive to maintain and can be purchased around $12,000. You pay up front with interest or you pay annually with repairs. |
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Exactly....a car is like a bank account...and some owners just make withdrawals (use the vehicle) but no deposits (no or little maintenance) and end up BANKRUPT....so you want a car like this to have a long list of "deposits". I have an old Benz with 215,000 miles and it runs and looks like new. But neither I nor the previous owner has been stingy with maintenance. We replace things BEFORE they are ready to break, in other words. This is the kind of older luxury car you want to buy. So a big folder of maintenance work is a good sign...a car with no history is, in fact, kind of scary. |
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| I have a 1994 Q 45 that misses for about the first 2 to 4 miles then runs fine. Any idea? | |
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| What do you mean "misses"? Actually bucks and hesitates with an even gas pedal? | |
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| With an even gas pedal it is only firing on about 5 out of the 8. | |
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I have a 93 Q45 with 140,000 miles on it. Last summer it started to have a strange problem. After driving for awhile, (when taking off from a stopped position), the RPM's rev up and it doesn't shift.. The second I take my foot off the gas, the car shifts fine..... I thought it was a transmission problem - but when I took it to the dealer it turned out to be a vacuum hose. They replaced it and it ran fine all winter... Now that the weather is warming up, it is happening again. I took it to the dealer and of course it didn't do it when they had it...... The hose is fine now. Is there some kind of temp. sensor in the transmission that could have gone bad? The car shifts fine except for these rare occasions. They don't know what to tell me..... Help???? |
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Go to Yahoo and search for the Infiniti Owners Club. They have many Q45 owners/enthusiasts that can help you with the problem. Have you read all the posts in here and the Q45 topic over in Sedans conference? If not, you need to spend some time doing research here and Yahoo. You'll know alot more about your car afterwards. |
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| Big brother--possibly the plug wires...I know they're not cheap, but on modern cars they often don't last that long...30K-60K or so. | |
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When it is missing try to jiggle the terminal at the air flow computer (I think that's what it's called) its a small rectangular black box at the front right of the engine as you look at the engine. If this smooths out the engine then have the terminals replaced. (Personally, I don't know what I'm talking about just been there done that and they fixed it) Good luck |
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I own this Q45a and was rear-ended (right rear side)a year ago. Asked insurance agent who quoted for repairs about future problems because of all the high tech. matters i. e. active suspension. Was assured no further damage due to accident. Now, a year later suspension leak - right rear strut area. I need help and if anyone can suggest what I can do without going to the dealer, it will be much appreciated. Thank you, pdjohannes p.s. Jr shiftright can you shed any light?? |
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