gas question
#61
Lexus Test Driver
Thread Starter
#62
Lexus Champion
#63
Lexus Champion
My advice is to go buy a scanner, they pay for themselves in no time. Meaning if your light comes on, or your friends check engine light comes on etc.The answer to your question re; clearing the ecm Well, you can clear it by disconnecting the neg. batt. terminal for a few minutes. But you will loose your automatic settings on your power window`s etc. And, believe it or not, especially in Nissan`s, it doesnt always clear all the information from the computer. Btw, you can get a decent scanner from Auto-Zone, A code reader is okay to have, but the scanner is the way to go.
Last edited by lexus114; 04-20-11 at 06:48 AM.
#64
Lexus Test Driver
Thread Starter
My advice is to go buy a scanner, they pay for themselves in no time. Meaning if your light comes on, or your friends check engine light comes on etc.The answer to your question re; clearing the ecm Well, you can clear it by disconnecting the neg. batt. terminal for a few minutes. But you will loose your automatic settings on your power window`s etc. And, believe it or not, especially in Nissan`s, it doesnt always clear all the information from the computer. Btw, you can get a decent scanner from Auto-Zone, A code reader is okay to have, but the scanner is the way to go.
#65
Lexus Champion
How does your sunroof/window`s/rear hatch work now? If they didnt loose any memory, then your one of the lucky ones.
#66
Lexus Test Driver
Thread Starter
I am not really sure, since I haven't used the Sun roof in over 1 year. The rear windows need to be re-programmed, and how am I suppose re-program the rear hatch?
#67
Lexus Champion
#68
Driver School Candidate
Join Date: May 2010
Location: CA
Posts: 36
Likes: 0
Received 0 Likes
on
0 Posts
Everyone talked about 91 and 87. I mentioned here before that I use 89, and 91 when I can find a good deal. I'm in CA so unsure what the specs are, but I have to wonder if using 89 will in time affect my cat as lexus114 insists when using reg grade.
Any thoughts appreciated.
Any thoughts appreciated.
#69
Driver
iTrader: (1)
Join Date: Mar 2011
Location: CA
Posts: 177
Likes: 0
Received 0 Likes
on
0 Posts
Everyone talked about 91 and 87. I mentioned here before that I use 89, and 91 when I can find a good deal. I'm in CA so unsure what the specs are, but I have to wonder if using 89 will in time affect my cat as lexus114 insists when using reg grade.
Any thoughts appreciated.
Any thoughts appreciated.
#70
Lexus Champion
Everyone talked about 91 and 87. I mentioned here before that I use 89, and 91 when I can find a good deal. I'm in CA so unsure what the specs are, but I have to wonder if using 89 will in time affect my cat as lexus114 insists when using reg grade.
Any thoughts appreciated.
Any thoughts appreciated.
I dont think the 89 octane will affect the RX that much,and I believe it doesnt even pull that much timing compared to the 87 octane. However,when I tested the 87,and 89, I noticed it still performs best on premium. Not much difference in mpg on 89,but definitely the most power on premium. I need all the horses due to the friggin hill`s/Mountains around here. You on the other hand may be fine with 89.
#71
Driver School Candidate
Join Date: May 2010
Location: CA
Posts: 36
Likes: 0
Received 0 Likes
on
0 Posts
Thanks koric and lexus114 for your input. I'm in SF so steep hills are also an issue for me. This is my first v6 AWD engine, so I never used to look at the cost per grade since all I needed before was regular.
I haven't really noticed a difference in power, but at the same time, I'm not exactly sure how or where to look to measuring that other than dyno (which is out of my means).
I haven't really noticed a difference in power, but at the same time, I'm not exactly sure how or where to look to measuring that other than dyno (which is out of my means).
#72
Advanced
This has been a really good discussion thread and I do want to note one thing.
I keep in touch with an acquaintance that is a Toyota Master Diagnostic Tech/ASE Master/L-1. As I am sure you got from this thread, I run 85 octane (87 equivalent at normal altitude). I contacted him to make sure I wasn't doing any damage to the catalytic converter in our RX. His reply was as follows:
"The 3.3L V6 was engineered to run 91, so optimum performance will occur with 91. But its also designed to work on 87 octane, but maybe a performance loss and you may get better overall mileage with 91. But, no harm to the converters will occur by running 87 octane; no damage at all."
I keep in touch with an acquaintance that is a Toyota Master Diagnostic Tech/ASE Master/L-1. As I am sure you got from this thread, I run 85 octane (87 equivalent at normal altitude). I contacted him to make sure I wasn't doing any damage to the catalytic converter in our RX. His reply was as follows:
"The 3.3L V6 was engineered to run 91, so optimum performance will occur with 91. But its also designed to work on 87 octane, but maybe a performance loss and you may get better overall mileage with 91. But, no harm to the converters will occur by running 87 octane; no damage at all."
#73
This has been a really good discussion thread and I do want to note one thing.
I keep in touch with an acquaintance that is a Toyota Master Diagnostic Tech/ASE Master/L-1. As I am sure you got from this thread, I run 85 octane (87 equivalent at normal altitude). I contacted him to make sure I wasn't doing any damage to the catalytic converter in our RX. His reply was as follows:
"The 3.3L V6 was engineered to run 91, so optimum performance will occur with 91. But its also designed to work on 87 octane, but maybe a performance loss and you may get better overall mileage with 91. But, no harm to the converters will occur by running 87 octane; no damage at all."
I keep in touch with an acquaintance that is a Toyota Master Diagnostic Tech/ASE Master/L-1. As I am sure you got from this thread, I run 85 octane (87 equivalent at normal altitude). I contacted him to make sure I wasn't doing any damage to the catalytic converter in our RX. His reply was as follows:
"The 3.3L V6 was engineered to run 91, so optimum performance will occur with 91. But its also designed to work on 87 octane, but maybe a performance loss and you may get better overall mileage with 91. But, no harm to the converters will occur by running 87 octane; no damage at all."
#74
That's the spirit, at least, for a Lexus driver
#75
Driver School Candidate
Join Date: Aug 2015
Location: MI
Posts: 17
Likes: 0
Received 0 Likes
on
0 Posts
I have been using 87 octane (regular) gas for over 3 years on my RX350. I haven't had any problems so far.
I though these were the same engines that were used in Highlanders? So can't they run on regular, instead of premium?
I though these were the same engines that were used in Highlanders? So can't they run on regular, instead of premium?