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Replaced throttle positions sensor but still experiencing hesitation and stalling out
Hello. You should have the TPS you put on verified that it was installed correctly first. Have the vehicle ECM scanned for codes and check the data for the TPS voltage signal to be within specifications. You did not mention...
The computer readout located by other controls
It means the traction control system is not working. The Traction control is an automatic feature that modulates the throttle if it senses wheel spin. If the controller senses a fault in any of the system components, it shuts the...
Car hesitates and jerks with rising RPM
From the description you have given, you have done a lot of replacing components and still have the problem. It appears you have covered the bases concerning the fuel system. A vacuum leak would affect the idle quality moreso than...
How to reset limp mode on a 1997 Range Rover
It's difficult to say without knowing what the exact code is, but if you are dealing with an OBD II code, which is the universal system that started up in '96, It can be reset by any of the inexpensive...
My RPM needle keeps moving up and down
Hello. This may be related to a faulty idle air control valve. As you may know this is a unit that monitors the air intake into your car's engine as it is mixed with fuel. When this is not functioning...
Potential electrical issue? Already replaced alternator and battery.
Hi there. I understand how frustrating things like this can be. I don't think you have any serious underlying electrical problems with the car. What I believe may be happening is simply a case of bad luck with aftermarket parts;...
Chevy K1500 will not produce spark. I have replaced everything in the ignition system.
Check the spark plug wires and spark plugs. If the plugs have fuel on them, then they are not igniting and need replaced. If the spark plugs are working fine and the wires have good resistance, then put a compression...
Car makes a screeching sound when I turn the steering wheel.
Hi there. This sounds like a loose/ out of adjustment power steering belt. With the engine off, visually inspect the belts for looseness, cracking, and tears. The belts should be free of those and feel tense when attempting to pull...
Only when it's really hot outside the temperature gauge reaches almost about less then half way. Car won't start up again till coo
There may be 2 issues to deal with here. The inability of the engine to reach "normal operating temperature" (always the center of the gauge), indicates either a weak or failed thermostat, or a failed coolant temperature sending unit/coolant temp...
Rotor moves freely about 1/4 inchback and forth
Hello. If the distributor shaft has that much play, it will cause erratic ignition timing and possible misfiring. Possible causes could be the distributor shaft or drive gear being excessively worn or broken causing the movement. Continued driving with misfires/backfiring...
I cleaned the EGR valve but I'm not sure if it is working now
Yes, if you pressed on the diaphragm and it stalled the engine that means that exhaust gases were flowing through the EGR valve as intended. A good way to test the EGR valve in its entirety is to use a...
wonderig the difference between the two diff types of radiators an some info on what will work, and ow to identify wich radiator i
Hello and thank you for your question. When it comes to determining what radiator is best for your vehicle, always the OEM radiator is recommended for it is designed for the vehicle. If you are unable to afford OEM parts...
How do you turn the rotors on a 1997 Nissan?
We do not resurface the rotors but replace them. Most rotors are less expensive to replace than removing and getting them resurfaced. Most times if you have rust pitted or grooved rotors they will not b able to be cut...
Could the power steering pressure sensor cause my steering wheel to be hard or hard to steer?
Hello. The pressure switch (or "sensor") on your vehicle supplies a signal to the engine computer to increase engine idle speed as the power steering line pressure increases. If the switch were bad, what you would notice is the engine...
Loss of power after driving for about a mile. The car won't drive over 30 mph.
Your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel speed while relaying this information constantly to the ABS and traction control system which are controlled by the car's ECU. When the ECU...
Car will crank, doesnt stay running
Hello and thanks for your question. Ground wires will not have a voltage on them. Preform a resistance check on all of the pins to the harness plug. There should be resistance for the computer, high resistance for the power,...
Brake light in dash on constantly - Pedal has longer travel as if the diaphragm is not there
Hi there, The light may be illuminated because of a false reading coming from the brake fluid level sensor if there is a warning with a good brake fluid level. Otherwise, the parking brake mechanism may be sending a false...
Fuel burning rich, black smoke
As you may know the oxygen sensors which are part of your emissions system read exhaust gases to determine whether or not the appropriate amount of oxygen is present in the exhaust. Based upon this reading, this information is relayed...
Is my clutch safety switch broken?
Hello. These 2 problems should not be related. A clutch safety switch stuck in the "pedal depressed position" (or a switch that has been unplugged and a wire connected across the 2 terminals) will allow starting without depressing the clutch....
I replaced the water pump in my 97 sentra gxe. When i put it all back together, the belt would no longer move.
If you cannot see in the area, try using a flashlight and a mirror to see if there is a bolt in a spot where it should not be and causing something to bind up. If you lift the vehicle...

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