# \#q45 **URL:** https://community.cartalk.com/tag/q45/2317.md [Latest](https://community.cartalk.com/latest.md) · [Categories](https://community.cartalk.com/categories.md) · [Tags](https://community.cartalk.com/tags.md) --- ## [Will engine oil mixed with gasoline ruin a car motor?](https://community.cartalk.com/t/will-engine-oil-mixed-with-gasoline-ruin-a-car-motor/59353)
**Author:** [@Brett.lemmon](https://community.cartalk.com/u/Brett.lemmon)\ **Replies:** 18\ **Last updated:** [January 15, 2020, 11:22pm UTC](https://community.cartalk.com/t/will-engine-oil-mixed-with-gasoline-ruin-a-car-motor/59353 "2020-01-15T23:22:30Z")
My son was low on gas one day and grabbed 2.5 gallon plastic container holding a mixture of gasoline and oil for the chain saw. Shortly there after the car began running harder and harder back firing etc. until it would… --- ## [Unable to release parking brake on 1994 Infinity Q45](https://community.cartalk.com/t/unable-to-release-parking-brake-on-1994-infinity-q45/83599)
**Author:** [@upchuck1](https://community.cartalk.com/u/upchuck1)\ **Replies:** 6\ **Last updated:** [February 11, 2014, 6:26am UTC](https://community.cartalk.com/t/unable-to-release-parking-brake-on-1994-infinity-q45/83599 "2014-02-11T06:26:28Z")
The parking brake is both set and released with the parking brake foot pedal. I can't get it to release. Does anyone know if there is a release button or another way to release the parking brake?? Any suggestions woul… --- ## [My 1990 infiniti is running like a truck....WHY?](https://community.cartalk.com/t/my-1990-infiniti-is-running-like-a-truck-why/55363)
**Author:** [@Austin10100](https://community.cartalk.com/u/Austin10100)\ **Replies:** 1\ **Last updated:** [September 20, 2010, 10:06am UTC](https://community.cartalk.com/t/my-1990-infiniti-is-running-like-a-truck-why/55363 "2010-09-20T10:06:25Z")
So my 1990 infiniti Q45 is feeling more like a truck then a car for some reasone. When I start it it just shakes more but it still runs, it only shakes if its in drive or if Im driving under 35 mph. Please help. --- ## [1999 Infinity Q45 Spark Plugs](https://community.cartalk.com/t/1999-infinity-q45-spark-plugs/55306)
**Author:** [@cerrosf](https://community.cartalk.com/u/cerrosf)\ **Replies:** 0\ **Last updated:** [September 19, 2010, 1:52am UTC](https://community.cartalk.com/t/1999-infinity-q45-spark-plugs/55306 "2010-09-19T01:52:34Z")
from Silver Spring MD I purchased a 1999 Infinity Q45 with 72000 miles from grandma in georgia and took to infinity dealer in bethesda MD to have looked at. Grandma has an extensive history with dealer maintenance so … --- ## [Engine will die when I come to an abrupt stop](https://community.cartalk.com/t/engine-will-die-when-i-come-to-an-abrupt-stop/53024)
**Author:** [@dosage\_ms](https://community.cartalk.com/u/dosage_ms)\ **Replies:** 8\ **Last updated:** [August 7, 2010, 5:20am UTC](https://community.cartalk.com/t/engine-will-die-when-i-come-to-an-abrupt-stop/53024 "2010-08-07T05:20:15Z")
The engine will die when I stop too quickly, its worse when the car is cold. Most of the time it will drop the RPM down below 500 and it struggles to bring them back up, sometimes it will right itself and some time it wi… --- ## [Q45 dies when not on gas](https://community.cartalk.com/t/q45-dies-when-not-on-gas/51996)
**Author:** [@Dave59316](https://community.cartalk.com/u/Dave59316)\ **Replies:** 1\ **Last updated:** [July 17, 2010, 4:37pm UTC](https://community.cartalk.com/t/q45-dies-when-not-on-gas/51996 "2010-07-17T16:37:43Z")
so my '95 infiniti q45 frequently dies after idling for a few minutes. it will be running fine then start sputtering then sounds very rough and die. also, while driving but not stepping on the gas and when stopped at re… --- ## [Fuel Line](https://community.cartalk.com/t/fuel-line/48906)
**Author:** [@Xenophon](https://community.cartalk.com/u/Xenophon)\ **Replies:** 3\ **Last updated:** [May 16, 2010, 10:24pm UTC](https://community.cartalk.com/t/fuel-line/48906 "2010-05-16T22:24:49Z")
I had fuel pump changed few months ago. Since past change the car shakes(idle or stopped at light) when gas is above half full (as if it will cut off - but never does)from less than half to quarter full card shakes whe… --- ## [My car wont go over 45 mph & doesnt accelerate](https://community.cartalk.com/t/my-car-wont-go-over-45-mph-doesnt-accelerate/47817)
**Author:** [@mikekane0982](https://community.cartalk.com/u/mikekane0982)\ **Replies:** 9\ **Last updated:** [April 25, 2010, 5:02am UTC](https://community.cartalk.com/t/my-car-wont-go-over-45-mph-doesnt-accelerate/47817 "2010-04-25T05:02:38Z")
i have an 1992 infiniti q45 I replaced the cats some coils,fuel filter,maf sensor,spark plugs, My car had this problem in december and I replaced all that I just listed.but now it slowly has gotten worse then before.It h… --- ## [Slip light blinks](https://community.cartalk.com/t/slip-light-blinks/45084)
**Author:** [@mikekane0982](https://community.cartalk.com/u/mikekane0982)\ **Replies:** 1\ **Last updated:** [February 25, 2010, 2:05am UTC](https://community.cartalk.com/t/slip-light-blinks/45084 "2010-02-25T02:05:55Z")
my car 92 q45 is having some problems and i cant figure it out.its doesnt wanted to go over 2000rpms - 3000rpms.it gradually got like that.it runs a little rough.this is what i done to the car so far:one of the coils,spa… --- ## [My 92 q45 doesnt go past 4000rpms...what is it?](https://community.cartalk.com/t/my-92-q45-doesnt-go-past-4000rpms-what-is-it/44685)
**Author:** [@mikekane0982](https://community.cartalk.com/u/mikekane0982)\ **Replies:** 8\ **Last updated:** [February 20, 2010, 6:00am UTC](https://community.cartalk.com/t/my-92-q45-doesnt-go-past-4000rpms-what-is-it/44685 "2010-02-20T06:00:34Z")
i replaced the maf , spark plugs , catalytic converters ,1 of the coils.my car would not go over 2000rpms until i did all that work.now it wont go ovef 4000rpms,it gets stuck and wont go any higher even if i slam the ped… --- ## [Infiniti Q45 door locks](https://community.cartalk.com/t/infiniti-q45-door-locks/42358)
**Author:** [@pauldeleeuw](https://community.cartalk.com/u/pauldeleeuw)\ **Replies:** 0\ **Last updated:** [January 12, 2010, 5:44pm UTC](https://community.cartalk.com/t/infiniti-q45-door-locks/42358 "2010-01-12T17:44:06Z")
I have owned six Q45s, 1992, 1994, 2000, 2002,2005. Every one of them has this problem:the driver's door occasionally locks itself when it is closed. Not the locking system because the other doors stay open (if they were… --- ## [When the warrenty runs out and the problem repeats](https://community.cartalk.com/t/when-the-warrenty-runs-out-and-the-problem-repeats/39773)
**Author:** [@docngolf](https://community.cartalk.com/u/docngolf)\ **Replies:** 4\ **Last updated:** [January 12, 2010, 5:42pm UTC](https://community.cartalk.com/t/when-the-warrenty-runs-out-and-the-problem-repeats/39773 "2010-01-12T17:42:43Z")
I have a 2002 Infinity Q45 that I love. It is comfortable, powerful, quiet and smooth. It has 55,000 miles and has been treated kindly. A good friend is a Nisson Master Mechanic and he watches over my car carefully. It h… --- ## [My car wont go over 2000rpms in drive,PLEASE HELP!](https://community.cartalk.com/t/my-car-wont-go-over-2000rpms-in-drive-please-help/41169)
**Author:** [@mikekane0982](https://community.cartalk.com/u/mikekane0982)\ **Replies:** 10\ **Last updated:** [December 24, 2009, 4:41am UTC](https://community.cartalk.com/t/my-car-wont-go-over-2000rpms-in-drive-please-help/41169 "2009-12-24T04:41:36Z")
My 1992 Infiniti q45 at first wouldn't go over 5000rpms when i slammed the gas and now when i just push the gas pedal it wont go over 2000rpms.when its in park or neutral i can rev it up to 7000rpms but then it starts to… --- ## [Bad Infiniti Knock Sensors?](https://community.cartalk.com/t/bad-infiniti-knock-sensors/39075)
**Author:** [@jfachatz](https://community.cartalk.com/u/jfachatz)\ **Replies:** 5\ **Last updated:** [November 11, 2009, 6:18pm UTC](https://community.cartalk.com/t/bad-infiniti-knock-sensors/39075 "2009-11-11T18:18:06Z")
I am a tinker and removed my '99 Infiniti Q45's drivers headlamp to repair a crack. In the process I removed the air filter box and several items surrrounding it all with the battery disconnected. One item I had to mov… --- ## [Rough Idle](https://community.cartalk.com/t/rough-idle/37376)
**Author:** [@masimj](https://community.cartalk.com/u/masimj)\ **Replies:** 5\ **Last updated:** [October 1, 2009, 2:02am UTC](https://community.cartalk.com/t/rough-idle/37376 "2009-10-01T02:02:32Z")
I have a 2000 Infinity Q45 with 99000k. When stopped at a light it sometimes idles like it wants to stall. This did not start happening until after the dealer did the 60000k major service. I have had them check this num… --- ## [2005 Infiniti Q45 how to disable auto door lock after time](https://community.cartalk.com/t/2005-infiniti-q45-how-to-disable-auto-door-lock-after-time/33926)
**Author:** [@jayarek](https://community.cartalk.com/u/jayarek)\ **Replies:** 1\ **Last updated:** [July 24, 2009, 4:14pm UTC](https://community.cartalk.com/t/2005-infiniti-q45-how-to-disable-auto-door-lock-after-time/33926 "2009-07-24T16:14:33Z")
Car has locked father-in-law out a couple of times when he gets out of car, door shuts, then the door will lock after a short period of time with him outside. Very infuriating. Can't remember if key is ignition or just i… --- ## [Infiniti q45 rear wheels go left and right](https://community.cartalk.com/t/infiniti-q45-rear-wheels-go-left-and-right/5621)
**Author:** [@Jazzqueen](https://community.cartalk.com/u/Jazzqueen)\ **Replies:** 1\ **Last updated:** [October 7, 2007, 11:03pm UTC](https://community.cartalk.com/t/infiniti-q45-rear-wheels-go-left-and-right/5621 "2007-10-07T23:03:35Z")
Infiniti Q45 1992 The rear of the car moves in a baffling manner, like a pendulum. The front part of the car is secure on the road the back half of the car swings left and right! A suspension problem??WHAT'S UP WITH …