93ls400 Posted March 3, 2004 Posted March 3, 2004 I bought this car couple of months ago with 113000 miles. I have already replaced (OEM) SP, Cords, Rotors, Dist Caps, Air Filter, fuel filter, PCV, two front O2 sensors, timing belt, water pump and serpentine belt. Just replaced all 4 tires with Michelen and also had 4 wheel alignment. Recently had Fuel injection service. After having all the above, I still get 20 MPG on HWY and 17-18 in city. Also car rides OK on smooth road but on slight bumpy road, it really reacts. There are no noises coming out. I checked the struts at the shop and they are OK. Needs advise and suggestion on both issues.
wwest Posted March 3, 2004 Posted March 3, 2004 Your city MPG is more than acceptable IMMHO. Highway seems a bit low are you sure the overdrive lock up torque converter works?
93ls400 Posted March 3, 2004 Author Posted March 3, 2004 Your city MPG is more than acceptable IMMHO. Highway seems a bit low are you sure the overdrive lock up torque converter works? Not sure, how can I check ?
99lsguy Posted March 4, 2004 Posted March 4, 2004 Here's the Diag for suspension & axle problems - 99 model LS - but still useful I believe..... How does it "react" on the bumpy/gravel roads...... Worn lower ball joints are a classic sign of wheel shimmy.... BTW,,, what type of Michelins did you put on & do you like them...? pst.pdf
UCF3 Posted March 8, 2004 Posted March 8, 2004 I think, in order for you to get better fuel economy, you're going to need to either swap to an econo car, or change your driving style all together. I also believe to smoothen out driving over bumps, just drive slower on the bumps, that's the only option you have. There are only a few options you have when it comes to suspension, in the States.
99lsguy Posted March 8, 2004 Posted March 8, 2004 I think, in order for you to get better fuel economy, you're going to need to either swap to an econo car, or change your driving style all together. I also believe to smoothen out driving over bumps, just drive slower on the bumps, that's the only option you have. There are only a few options you have when it comes to suspension, in the States. UCF3, Do you think the pdf could be "pinned " somehere in the maintenance section - since it has Lexus Diagnostics & troubleshooting. These suspension / axle /vibration questions are constantly being ask, so maybe it will help start owners out in the right direction..... 99
UCF3 Posted March 10, 2004 Posted March 10, 2004 I think, in order for you to get better fuel economy, you're going to need to either swap to an econo car, or change your driving style all together. I also believe to smoothen out driving over bumps, just drive slower on the bumps, that's the only option you have. There are only a few options you have when it comes to suspension, in the States. UCF3, Do you think the pdf could be "pinned " somehere in the maintenance section - since it has Lexus Diagnostics & troubleshooting. These suspension / axle /vibration questions are constantly being ask, so maybe it will help start owners out in the right direction..... 99 Ok.
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