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Lexus is saying I need a new throttle booy assy

Sent to Lexus Experts August 7 2008 at 9:10 AM
   

Failed state inspection....1). Lexus is saying I need a new throttle body assy ($1300)...P0440 and p0505 codes (check engine light and VSC). I dont seem to be having any idle problems, gas mileage is ok, car is not sputtering. Changed the air filter and re-set the computer but now the messages are back. Any thoughts ...is there something short of complete replacement as an option?
2). Also saying I need "strut rods" (~$500)...how can I tell if there are bad strut rods? How many are there? Need bushings also at same time?   Thanks

Customer (name blocked for privacy)
Status:  Closed   Value: $30
Info Request
August 7 2008 at 9:31 AM (21 minutes and 37 seconds later)
         
Hello and thank you for using just answer, you did not state year/model, I answered a question for you previously, I assume this is the 1998 LS correct? Once you place a deposit and verify the model I can post answers. Thank you.

This is a PAY site, even if you made a deposit we do not get paid until you click "accept" and any amount of bonus is always appreciated.Please let me know if I can be of further assistance and thank you again for using just answer!
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Peter -- Former Lexus Master technician -- 100% Positive Feedback on 353 Lexus Accepts
Master Certified with lexus, 6 years experience
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August 7 2008 at 9:39 AM (7 minutes and 11 seconds later)
         
yes 98 LS 400

I dont recall seeing directions on a deposit....I think it just asked for the value when the question was answered but if you can direct me on the deposit I am glad to do so

Bill
Customer (name blocked for privacy)
Info Request
August 7 2008 at 9:44 AM (5 minutes and 19 seconds later)
         
Ok I will upload the information for you here, I was just stating that I don't see a "deposit made" icon at the top, once I post some answers if you haven't posted a deposit it will prompt you to do so. Give me just a few minutes to check a couple things. I need 1 more thing here, the struts- I assume you have standard suspension not the air suspension, did they say all 4/front or rear?

This is a PAY site, even if you made a deposit we do not get paid until you click "accept" and any amount of bonus is always appreciated.Please let me know if I can be of further assistance and thank you again for using just answer!
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Peter -- Former Lexus Master technician -- 100% Positive Feedback on 353 Lexus Accepts
Master Certified with lexus, 6 years experience
Answer
August 7 2008 at 9:53 AM (9 minutes and 3 seconds later)
         
ACCEPTEDCheck Mark

P0440 is a evap system malfunction, this has nothing to do with the throttle body, it would be in the fuel tank/vapor pressure sensor/vaccum switching valve/or canister. Did you check to be sure the gas cap is on tight? Do you live in a northern state that uses road salt? I have seen salt/rust take out these VSV's.

P0505 is an idle system malfunction, be sure that the air intake tube to the throttle body is sealed/not leaking or damaged or such. THis points to a throttle body or throttle pedal issue, be sure that the throttle body is clean and not restricted, the dealer should have checked the pedal with the scan tool already to verify proper reading, I have replaced quite a few throttle bodies for this concern.

Struts, if they are leaking then they need to be replaced, new upper strut mounts are a very good idea while you are in there, be sure the front caster arms and lower ball joints have been inspected also, these love to wear out on this car. It will need to be aligned after this repair also.



This is a PAY site, even if you made a deposit we do not get paid until you click "accept" and any amount of bonus is always appreciated.Please let me know if I can be of further assistance and thank you again for using just answer!
Picture
Peter -- Former Lexus Master technician -- 100% Positive Feedback on 353 Lexus Accepts
Master Certified with lexus, 6 years experience
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August 7 2008 at 11:37 AM (1 hour and 44 minutes and 20 seconds later)
         
they re testd the evap system and said no leaks (at this time) so that seems to be ok.   I am in Charlotte NC so no salt issues

I failed to mention that the write up references the idle motor clutch was found "out of spec". Why do you think I am not observing and functional problems from this T-body issue?

Im not clear on the strut rods....I need to get more info. I replaced the struts all the way around about 12-18 mos ago so it shouldn't be the struts (shocks).

Bill
Customer (name blocked for privacy)
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August 7 2008 at 11:41 AM (4 minutes and 2 seconds later)
         
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Peter -- Former Lexus Master technician -- 100% Positive Feedback on 353 Lexus Accepts
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August 7 2008 at 11:48 AM (6 minutes and 34 seconds later)
         
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August 7 2008 at 11:51 AM (3 minutes and 19 seconds later)
         
Hendrick.....Independence Blvd
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August 7 2008 at 11:53 AM (1 minute and 42 seconds later)
         
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Peter -- Former Lexus Master technician -- 100% Positive Feedback on 353 Lexus Accepts
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August 7 2008 at 12:18 PM (25 minutes and 36 seconds later)
         
Hi Jason, Lexus said 2 front "strut rods" (not struts) Part# 4867040011 and 4866040021.... again no symptoms but apparently tech found some play when car was off the ground...I am familiar with steering control arms and bushings and various ball joints but not strut rod. I wanted to look at it my self but Im not exactly sure which "rod" they are refering to....apparetntly it connects the strut to the suspension?
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August 7 2008 at 12:28 PM (9 minutes and 40 seconds later)
         
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Peter -- Former Lexus Master technician -- 100% Positive Feedback on 353 Lexus Accepts
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August 7 2008 at 12:45 PM (16 minutes and 44 seconds later)
         
thanks for the clarification

PS....the AC shutdown problem we discussed before has not re-occurred for months so I pretty much gave up on trying to chase it further...watch, it'll kick in just when I mention it!

bill out
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August 7 2008 at 1:05 PM (20 minutes and 8 seconds later)
         
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