Q45 Troubles - READ ONLY

135 messages, Last post on Jul 28, 2001 at 10:10 AM

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#111 of 135 Infiniti reliability by rubicon52 Mar 21, 2001 (5:07 pm)
Just got the Consumer Reports 2001 annual car issue. Their reliability bar chart based on first 6 months of ownership showed Infiniti to be the most reliable make, more reliable than even Lexus. Interesting.
#112 of 135 Q45man is scaring the ____ out of me! by kpkm Mar 22, 2001 (7:26 pm)
I am driving 1.5 hrs tomorrow to test drive a 1990 Q45. It has 105K miles and I believe two different owners. The present owners can vouch for main/repairs that occurred during the last 40,000 miles but don't have service records from previous owner (the Infiniti dealer that was used had since closed up shop). So from what I'm reading on the site, I need to find out 1)is it active suspension, 2) have the chain guides been replaced, 3)Fuel injectors, 4) Torque Convertor Turbine Sensor, 5) Power steering hase return and 6) can the A/C be converted from R12 to R134A (and how much will it cost). Have I left anything out? Should I be looking at an Accord? I love the car but can't afford to be hit with $6,000 worth of repairs during my 1st year of ownership. HELP!
#113 of 135 Fuel pump replacement by q45man Mar 24, 2001 (4:11 am)
This is the correct: way replace the pump before it destroys the controller. Make sure you change your fuel filter at least every 15-20k miles it will save you a lot of pumps. Eventually you will need to clean out the fuel tank and lines and injector rails as the dirt in gasoline from old fuel tanks will clog up the system or at least narrow the inside of lines.
#114 of 135 90 scaring you? by q45man Mar 24, 2001 (4:35 am)
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.
#115 of 135 by Mr_Shiftright HOST Mar 26, 2001 (12:58 pm)
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.
#116 of 135 misses for about 2 miles by bigbrother1 Mar 26, 2001 (6:37 pm)
I have a 1994 Q 45 that misses for about the first 2 to 4 miles then runs fine. Any idea?
#117 of 135 by Mr_Shiftright HOST Mar 28, 2001 (9:48 am)
What do you mean "misses"? Actually bucks and hesitates with an even gas pedal?
#118 of 135 missing Q45 by bigbrother1 Mar 28, 2001 (3:11 pm)
With an even gas pedal it is only firing on about 5 out of the 8.
#119 of 135 1993 Q45 IN NEED OF HELP!!!!!! by jeine2 Mar 29, 2001 (2:45 pm)
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????
#120 of 135 jeine2 by bretfraz Mar 30, 2001 (7:40 am)
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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