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What are the effects or symptoms of bad fuel injectors?
Hello. A bad fuel injector can fail closed, fail open or not seal when closed and can work normal but have reduced flow from blockage. A fuel injector that is failed closed will cause total misfire all the time on...
The theft deterrent module is located behind the glove box on this vehicle. The module will require the dealer to test it and if needed, to replace it and program it to work on your vehicle. It takes a special...
Electric problem
Hello there, many faults will cause your 1998 Chevrolet Lumina to lose power and die after 30 minutes. The most common would be the fuel pump, engine control module, alternator, battery, wiring harness fault, coil, distributor, or a shorted wire....
Cooling System - 1996 Chevrolet Lumina
Hey there. For your model Chevy Lumina, there are two aftermarket available options for radiators. The main difference is the core of the radiator. They are usually available in 1" or 5/8" cores. Without looking at your car it may...
Key turns, no crank
The starting system is rather simple. There are only a few components that can cause this to happen. The first place to check is with the starter. They can fail intermittently and this is a sign that it is going...
My car makes weird noises while driving and while in idle
Hello, these problems may or may not be related. A failing accessory belt pulley or a worn accessory belt can makes whistling sounds, and also leaking air intake hoses. Intermittent problems with the AC can be caused by low Freon...
Turn signal lights keep failing, how can I fix this?
Your problem is electrical, and all of the components involving the the turn signals will need to be inspected. Unfortunately it takes some trial and error in testing to find the component that is failing. Considering the hazard button tends...
I have a slight wobble in crank shaft pulley will replacing it fix my problem? Its a 2000 lumina with 76,000 miles. thank you
Hello. The crankshaft pulley and harmonic balancer is one unit on your vehicle. There is a strip of rubber that separates the two components, that will perish over time. This is typically why it begins to wobble. You will need...
My steering wheel seems as if it is bent over to the left about an inch or inch and a half
You may have to have the whole steering column replaced including the steering wheel. The reason you will need to do this is your steering may be off quite a bit and it is probably not safe for you to...
Popping sound in the radiator
The noise is the coolant is turning into steam due to low amount of coolant to water concentrations. The ratio should be 50% coolant to 50% distilled water or just purchase a 50/50 coolant that is already mixed. Since you...
How can I tell if my radiator uses a bevel washer or a nut?
Hi and thanks for contacting YourMechanic. When it comes to replacing the radiator in your vehicle, it is best to replace the radiator with the OEM type. If there are two types of radiators that go into your vehicle, you...
Abs light is on what is the problem?
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,...
Cranks then dies
Hi there. Usually engine starting issues are caused by a problem with fuel flow or ignition timing that could include clogged fuel injectors, a dirty throttle body, a bad idle control valve, or multiple other components. Have a professional...
Hard starting and clicking noise
The clicking noise is an indication of either a bad or discharged battery or a bad connection in the starting circuit. There are two circuits in every starting system: the primary circuit that is energized by the key, and the...
Is it possible to patch a radiator if the hole is small enough?
Hello, patching a radiator is not recommend. From the location point the radiator tank is cracked. Overheating the engine can lead to internal damage. There is a web site (rock that has great prices on parts. A radiator of...
Car reluctant to accelerate as if not getting power
Hi, thanks for writing in. Let me start by explaining one of the strong possibilities concerning the misfiring. When the EGR valve malfunctions, the engine cylinders can combust prematurely. The computer will then detect the issue and label it as...
Accelerating gas and it dies wont start after acts like it wants too & won't. I already changed fuel pump igni module crank sensor
Hey there. There are several issues that will keep a vehicle from starting. It really depends on exactly what is keeping the vehicle from starting. You'll need to find out if there is proper fuel pressure, is it getting sufficient...
My gas gauge keeps fluctuating from empty to full and everything in between.
The symptoms you are having may be related to a mechanical issue, or an electrical issue. If the problem is electrical, you will want to check the wiring terminal that connects to the fuel pump. You may need to drop...
My car won't start. It acts like it want to start but will not.
Hi there, thanks for writing in. In many cases, when we have accessories running (like the stereo and the doors open that triggers lights) without the engine running, it can cause the battery to drain and loose cranking amps. When...

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