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V8-4.0L

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Engine swap ls400 Lexus 1990 to 1993 1UZ-fe
The engines themselves, that is the blocks and cylinder heads, are identical in both model years. So, they are a direct catalog interchange, have identical castings and so forth. However, the computers for the two years do NOT interchange. That...
Question
Thank you Tim for your input..It actually is not the serpentine belt as it is on the other side of the car right next to the engin
Hi Luke. Thanks for the reply. If I'm understanding you correctly, the other belt (which I believe is on the driver side of the engine, near the front) is referred to as the accessory belt. This belt is the one...
Question
My car started to overheat and the antifreeze started coming out of the top. Upon getting home I added more antifreeze for it just
Hi Luke. Thanks for contacting us today. The belt is likely the serpentine belt, which powers the water pump among other systems on your car. It's more than likely that the belt breaking caused the water pump to fail, and...
Question
Wheels locked up
Hi. There are many possibilities to why the wheels may be locked up, which include, brakes, bearings, transmission, etc. You may want to enlist the help of a mechanic, like one from YourMechanic, who can not only diagnose why the...
Question
Sunroof leaking
The sun roof on this car does not have any problems that stand out causing a leak on the car. The seals around the sunroof may be dried out or damaged. I recommend you have a qualified mechanic, from YourMechanic,...
Question
Overheating, blow cold air
The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core. As you may know, the heater...
Question
Need help identifying issue please!
Hello, thank you for writing in. It is possible the leak was starting to form when you were driving around the last couple of days. Automatic transmissions have a complex amount of components, seals, gaskets, and various passages for the...
Question
Loss of power while driving
Hello! There are a few components that will cause a lack of power. The leading one being that the transmission fluid may need exchanging. However, power loss may also come from a lack of fuel, air, or incorrect ignition timing....
Question
Ignition
You will need to remove ignition switch to move position of key slot to get ignition back in.
Question
Heating problem
The first thing to confirm is whether or not the engine operating temperature is in the normal range and whether there is sufficient coolant in the radiator. If, for example, the engine cooling system thermostat is stuck open, and thus...
Question
Electrical problems
Hello. The voltage regulator is the component that adjusts and maintains the electrical system's output, making sure that there is enough power generated to meet the system's requirements. When it fails or has an issue it can cause symptoms similar...
Question
Coolant leak.
A cooling system pressure test using dedicated equipment will be able to pinpoint the location of your coolant leak. Running a vehicle low on coolant can cause it to overheat, resulting in extensive engine damage. My best advise is to...
Question
Car running rough
When your engine computer sees a problem with a major sensor or sees that an engine is misfiring, the computer will turn on the restricted performance statement with a red or amber light. The problem may be one of several,...
Question
Car not going over 20 MPH
Hello. If the car will not go over 20 MPH then there can be a number of issues going on. If the Check Engine Light is on then the computer needs to be scanned for codes first. If there are...
Question
Car keeps dying
There are usually two different issues that cause the engine to stall or reduce RPM in situations like this. The first thing I'd look at is the idle control valve or sensors that monitor the fuel system. The second item...
Question
Ticking when accelerating but no tick when idle or in neutral revving
It sounds like the ticking you are describing may be the result of an exhaust gasket leak. When the exhaust gasket begins to fail, this may cause this type of ticking sound as the engine RPM's increase. I would suggest...
Question
1996 Olds Aurora OBDII P0603 PCM keep alive memory, car is in limp mode and running like it's off timing
Correct the ground connection first, in case that problem is a cause of the trouble code. P0603 does represent an electrical system fault. In practice, this particular fault might be found as battery terminal corrosion or loose connections, Keep Alive...
Question
check engine light, loss of power, check oil light, battery light, car wont turn over Jaguar 1999
If there is adequate oil but oil pressure is low, that means either the oil pump is not working, there is a blockage, the oil pressure warning light is malfunctioning, or there is lots of wear in the engine bearings....
Question
I have a 1992 Lexus Ls400 and the transmission wont switch out of 1st gear the caer has 261k miles should i get a new transmission
You should have the computer scanned for codes that may point to the cause of the no shift out of first gear. You may just have a solenoid that is bad for one of the gears and just need to...
Question
Will the crank shaft pulley still spin if the timing belt has busted?
If the timing belt broke, the crankshaft pulley will still spin regardless. The crankshaft pulley is what spins the timing belt, which then rotates the valve train assembly. Depending on how this happened and when it happened, this may have...

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