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distributors

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Symptoms of a Bad or Failing Distributor Rotor and Cap
Common signs include engine misfires, car not starting, the Check Engine Light coming on, and excessive or unusual engine noises.
Symptoms of Bad or Failing Points & Condenser
If your vehicle runs rough, the engine will not fire, or the vehicle will not start at all, the points and condenser system may be failing.
How Long Does a Distributor Rotor and Cap Last?
The distributor rotor and cap pass voltage from ignition coils into the engine’s cylinders. From here, the air/fuel mixture is ignited and powers the engine. The coil connects to the...
How to Buy a Good Quality Distributor Rotor and Cap
When your distributor cap or rotor goes bad you could be left stranded and unable to start your vehicle. The rotor is a whirling dervish of power distribution, transferring energy from the ignition...
Symptoms of a Bad or Failing Distributor O Ring
If your car has a distributor, common signs the o-ring must be replaced include oil leaks and engine performance issues.
How Long Does a Distributor O Ring Last?
The distributor is part of the ignition system in your vehicle and its purpose is to route high voltage from the ignition coil to the spark plug. The spark plug then...
What Causes a Car to Backfire?
You’ve got an image of it in your head right now. An old car drives off jerkily from a...
How to Buy a Good Quality Rotor
The rotor exists to send power from your ignition coil over to your spark plugs – which make sure that your plugs ignite to start the fuel combustion process. Each time it goes...
How a Car Ignition System Works
The complicated process of a vehicle's ignition system requires precise timing on the part of the various systems involved. Starting a vehicle involves much more than just turning a key in the ignition...
How Does a Distributor Work?
In older cars, a distributor is one of the central parts of the ignition system. Since the early 1990's, many automakers have moved to using ignition systems without distributors. Though the number of cars with...
How to Remove, Install, and Adjust Ignition Timing
Ignition distributors help spark the gas and air in the engine. Worn distributors need to be removed to be cleaned to maintain proper ignition timing.
How to Replace an Electronic Ignition Pickup
The electronic ignition pickup is part of the ignition distributor. Signs of failure include intermittent misfiring or failure all at once.
How to Replace a Distributor O-Ring
Distributor O-rings seal the distributor shaft to the intake manifold. O-rings prevent engine misfires, loss of power, and oil leaks.
How to Replace a Distributor Rotor and Cap
Distributor caps and rotors keep the distributor clean and separate from the engine. Distributor caps may need to be replaced if the car won't start.

Related questions

Question
Does a 1994 Cadillac Deville have a crankshaft sensor or do I need to replace the whole distributor?
Hi there. The ignition system for the 4.9L in your vehicle, should be HEI (high energy ignition) and does not have a CKP (crankshaft position sensor). The pick-up coil is inside the distributor and most likely is not the cause...
Question
Pickup coil shield missing on new distributor.
There is more than one manufacturer of distributors or its internal components and will operate the same way but have some small different changes that do not affect the performance of the part. You should not have any problems without...
Question
Choose a carburetor for 454 Chevy engine
Hi there. For the carburetor swap out, you will need to have a least a CFM of 850 or 950 for a big block GM engine. If you are concerned about fuel consumption, then you could do a CFM of...
Question
Ignition timing out of sequence.
Hi there. First you would need to know the firing order for the electronics on the distributor. The distributor number one on the firing order is the terminal on the right side at the front of the vehicle. Since you...
Question
Distributor
The distributor on the 1996 Accord has an integrated Cylinder Position (CYP) Sensor, Crankshaft Position Sensor (CKP) and Top Dead Center (TDC) Sensor. If you have replaced the distributor due to diagnostic trouble code P1382 setting, which involves faults with...
Question
Hello I just replaced the distributor in my 98 blazer. I set it to 6 o-clock like its suppose to, but it is running really rough.
Hi there. It is possible that the distributor was off by one tooth. This is very common. I suggest removing the distributor, then removing the valve cover to the side that has number 1 cylinder (the valve cover that is...
Question
Car not starting - maybe ignition coil?
You will need to take out one spark plug wire off a spark plug and put it near a ground with a screw driver or spark tester installed and crank engine to see if there is spark. If no spark...
Question
I am Having to replace distributor rotor to soon in my SL300 Mercedes. I just got a bad one fro apw.
It is possible that some sort of moisture could be getting inside the distributor causing the rotor to corrode. I would examine all surfaces that come in contact with the distrubutor rotor to determine if a proper connection is being...
Question
Car runs ok, but when I put a timing light on all the wires, on on on off off on on etc.
Hi there. Check the spark plugs and see if there is any burned spots. If the spark plug tips are white and looks like they are corroded, then the spark plugs are fouled out and need replaced. If the spark...
Question
I have a 94 ford. The distributor was in the wrong spot. Where should the rotor face on the cap to signify cylinder number one?
Hi there. The distributor rotor should face the number one on the distributor with the number one cylinder on the compression stroke with both the rocker arms for the intake and exhaust valves shut. The back of the distributor has...
Question
Trying to test a sensor in the distributor that is allowing it to not spark.
The Hall effect pick-up assembly in the distributor can be tested via the Factory Service Manual but that procedure has more than 15 steps. A more efficient test method is to use a self powered “indicator light” that is made...
Question
I'm getting power to distributor coil, but I'm not getting power to the spark plugs.
Hi there. Check the spark plugs with a spark adapter tool to see if there is a park induced from the coil. If there is no spark, then the spark plug wires could be burned and need replaced. If the...
Question
car not firing
Hi There, This may be related to many different possibilities that may be contributing to a lack of spark. Things like ignition coils, crankshaft position sensor, spark plugs, spark plug wires or ignition module are all components that help to...
Question
Not getting fire, changed coil and camshaft sensor?
Your vehicle is equipped with a crankshaft position sensor. That sensor is on the primary side of the ignition circuit and consequently you should test the sensor and all wiring to the distributor to be sure it is functioning. If...
Question
Getting fuel, getting spark, and won't start.
Check the ignition timing on the distributor and see if the timing is off. If the timing is good, then the accelerator pump in the carburetor or the fuel injectors are not working properly (if your vehicle has TBI injection)....
Question
No spark after head gasket replaced and timing and water pump fixed
Check all the ignition system primary circuit electrical connections to the distributor and test the coil and the distributor. Be sure all electrical connections were restored and are secure. It is possible that an electrical connector was just left disconnected,...
Question
My car cranks over, but won't start, or even sound like it might.
Hello, It sounds like you may have a bad fuel pressure regulator or potentially a leaking or faulty fuel injector. I would suggest having an expert from YourMechanic come to your location to run a fuel pressure test to determine...
Question
Why aren't my sparkplugs sparking?
Hello, thank you for writing in. The first two components to look at are the distributor and the coil. If you have a spark tester, test light, or voltmeter, you can measure the power supply along the circuit and find...
Question
2001 Chevy Blazer distributor install.. it is at top dead center and the rotor lines up with the 6 but is not seated all the way.
If you are using the marks on the harmonic balancer to find TDC, occasionally the balancer will have shifted (the rubber bond breaks) causing the timing mark to be some degrees off. Consequently, the crankshaft is not really at TDC...
Question
Crossed spark plug wires? 1997 Jeep Cherokee
Hello - "crossed spark plug wires" means simply that your plug wires are not attached to the plugs and/or the distributor in the correct firing order. Your cylinders are numbered 1 to 6, front to rear on your engine. The...

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