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1993 gs300

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Old 12-06-13, 08:15 PM   #16
ClarkKent
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Default Update

I found some threads that stated I need to change my oil. Going to try that tomorrow.

Also, I used a metric O-Ring to the oil dipstick tube. I thought maybe that the size was too small. Going to try some bigger ones tomorrow and see if that helps along with the oil change.

I only use Mobil One. The weight is 10W-30. Maybe increase the weight? Having the oil light on when I just spent the time and money to put the head gasket on is quite concerning.
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Old 12-07-13, 01:36 AM   #17
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Default

What is your idle? Your idle being too low can reduce your oil pressure, especially on cold starts or initial start ups.
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Old 12-08-13, 03:04 PM   #18
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Default Got it

Thanks for the reply Joe.

I tried to start the car yesterday morning and the light would not go off after 15 seconds. I shut it down and went and got the oil and filter.

After that the oil light is acting normally again.

whew!
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Old 12-11-13, 11:29 AM   #19
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Default Code 28

Went for a 15 minute drive to a neighboring town and almost there when the Trac light and CEL popped on.

Here is the code:

Click the image to open in full size.

I'm searching and thought I would go ahead and post the codes. With the TRAC light on I'm not sure if it just the O2 sensor or something else...

The list below will tell you where the problem lies but will not go into diagnosis. Please consult your repair manual for in depth diagnosis, testing and troubleshooting.
12 - RPM signal no. 1
13 - RPM signal no. 2
14 - Ignition no. 1 signal
15 - Ignition no. 2 signal
16 - ECT control signal
17 - No. 1 cam position sensor signal
18 - No. 2 cam position sensor signal
21 - Main oxygen sensor signal (on left bank)
22 - Water temp sensor signal
24 - Intake air temp. sensor signal
25 - Air-fuel ratio lean malfunction
26 - Air-fuel ratio rich malfunction
27 - Sub-oxygen sensor signal (on left bank)
28 - Main oxygen sensor signal (on right bank)
29 - Sub-oxygen sensor signal (on right bank)
31 - Air flow meter signal
35 - HAC sensor signal
41 - Throttle position sensor signal
43 - Starter signal
47 - Sub-throttle position sensor signal
51 - Switch condition signal
52 - No. 1 knock sensor signal
53 - Knock control signal
55 - No. 2 knock sensor signal
71 - EGR system malfunction

Transmission OBDI Diagnostic Codes
42 - No. 1 speed sensor signal malfunction
46 - Open or short circuit in no. 4 solenoid valve
61 - No. 2 speed sensor signal malfunction
62 - Open or short circuit in no. 1 solenoid valve
63 - Open or short circuit in no. 2 solenoid valve
64 - Open or short circuit in no. 3 solenoid valve
67 - OD direct clutch speed sensor signal malfunction
68 - Short circuit in kick-down switch

Air Bag OBDI Diagnostic Codes
11 - Short in squib circuit or front airbag sensor circuit (to ground)
12 - Short in squib circuit or front airbag sensor circuit (to +B)
13 - Short in squib circuit (between D+ wire harness and D- wire harness)
14 - Open in squib circuit
15 - Open in front airbag sensor sensor circuit
22 - Airbag warning light system
31 - Center airbag sensor assembly malfunction
41 - Malfunction stored in memory

ABS OBDI Diagnostic Codes
11 - Open circuit in ABS solenoid relay circuit
12 - Short circuit in ABS solenoid relay circuit
13 - Open circuit in pump motor relay circuit
14 - Short circuit in pump motor relay circuit
21 - Open or short circuit in 3-position solenoid circuit for front right wheel
22 - Open or short circuit in 3-position solenoid circuit for front left wheel
23 - Open or short circuit in 3-position solenoid circuit for rear right wheel
24 - Open or short circuit in 3-position solenoid circuit for rear left wheel
31 - Front right wheel speed sensor signal malfunction
32 - Front left wheel speed sensor signal malfunction
33 - Rear right wheel speed sensor signal malfunction
34 - Rear left wheel speed sensor signal malfunction
35 - Open circuit in front left or rear right speed sensor circuit
36 - Open circuit in front right or rear left speed sensor circuit
37 - Faulty front speed sensor rotor
41 - Low battery voltage or abnormally high battery voltage
43 - Malfunction in TRAC control system
51 - Pump motor is locked, Open in pump motor ground
Always ON - Malfunction in ECU

TRAC OBDI Diagnostic Codes
11 - Open in TRAC brake main relay circuit
12 - Short in TRAC brake main relay circuit
13 - Open in TRAC throttle relay circuit
14 - Short in TRAC throttle relay circuit
15 - Electric supply to TRAC motor for a long time (fluid leakage)
16 - Open circuit in pressure switch circuit
17 - Pressure switch remains OFF
19 - TRAC motor ON and OFF operation is higher than a predetermined number of times (accumulator pressure leakage)
21 - Open or short in master cylinder cut solenoid valve circuit
22 - Open or short in accumulator cut solenoid valve circuit
23 - Open or short in reservoir cut solenoid valve circuit
24 - Open or short in sub-throttle actuator circuit
25 - Step motor does not move to a position decided by ECU
26 - Sub-throttle valve does not move even when the sub-throttle valve is controlled to fully open position by ECU
27 - When power supply to step motor is stopped, sub-throttle valve does not reach its fully-open position
44 - During TRAC control, NE signals are not input to the ECU
45 - When idle switch is ON, main throttle position sensor signal is 1.5V or higher
46 - Main throttle position sensor signal is 4.3V or higher, or main throttle position sensor signal is 0.2V or lower when idle switch is OFF
47 - When idle switch is ON, sub-throttle position sensor signal is 1.45V or higher
48 - Sub-throttle position sensor signal is 4.3V or higher, or sub-throttle position sensor signal is 0.2V or lower when idle switch is OFF
49 - Open or short in engine communication circuit
51 - Problem in engine control system
52 - Brake fluid level warning switch ON
54 - Open in TRAC motor relay circuit
55 - Short in TRAC motor relay circuit
56 - TRAC pump motor locked
Always ON - Malfunction in ECU
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Old 12-11-13, 11:31 AM   #20
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Default Check the Brake Fluid level

First off I'm going to top off the brake fluid reservoir. It seemed a bit low but not much.

Thanks in advance for any replies!
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Old 12-12-13, 05:27 AM   #21
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Default CEL Off for now

I cleared the ECU by removing the negative terminal for 5 mins. I drove about the same distance and the light hasn't lit up.

I went over to a local yard and found a cup holder and a nice 2jzge under the hood. They want $160 to pull it myself and they said they would load it up. They have A-frames you can use to grab it. They said they would then use a forklift or skid loader to do the rest.

There was also a nice Head Unit that I'm going back to grab ASAP as my lights are all dimming out. The RPM on mine is completely dim and it really bugs me.

The steering wheel is in the retracted position so it's not going to be easy to get out. I'm going to look in the manual and see if there is a way to release the steering wheel.
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Old 12-13-13, 09:20 AM   #22
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Default Salvage Yard Score

I found an old GS300 at the Salvage Yard and pulled the Cluster. Sorry the pic is bad because of the Sun. The brackets for the installation bolts are both broken on the left side.

Click the image to open in full size.

Click the image to open in full size.

I'm going to head over to the dealer and see if I can order just the plastic piece for it.

The old Lexus has a Nakamichi System in it. I took pictures if anyone is interested. The engine looks nice and clean. They said I could pull it for $160 bucks.

Click the image to open in full size.
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Old 12-23-13, 07:05 AM   #23
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Default More Problems...

Last week my bypass hose blew. I accidentally installed it wrong. I was repairing it Thursday night and noticed a tapping sound coming from the head. I thought I had a valve cap that was bad.

I took it to a mechanic and he used his Stethoscope and noticed that it was coming from the timing belt. I took the cover off and my timing belt was shredded. A piece of the belt was flapping against the Timing Belt Cover.

You can see what I found at the bottom right of the this picture.

Click the image to open in full size.

I was super careful not to drop anything down into the timing belt when I did my head gasket, but somehow, someway this nut got down in there and did its thing.

I'm super lucky the belt didn't break all the way. As you can see it's almost cut in half.

Anyway, I replaced the belt, yet again, and now the car is running great again.
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Old 07-15-14, 09:10 PM   #24
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Default thread

is there a thread on the timing belt replace ment and or head gasket replace
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Old 07-15-14, 09:10 PM
 
 
 
 
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1993, 93, bad, gs300, knock, lexus, location, mainnrelay, overheat, pushing, radiator, rpm, sensor, speed, water

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