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Symptoms of a Bad or Failing Speed Timing Sensor
Common signs include the transmission having difficulty shifting, Check Engine Light coming on, vehicle not starting, and loss of engine power.
Is it Safe to Drive With a Misfiring Cylinder?
An engine misfire can be caused by bad spark plugs or imbalanced air/fuel mixture. Driving with a misfire isn't safe and can damage your engine.
Symptoms of a Bad or Failing Air Charge Temperature Sensor
Common signs include a lack of power when accelerating, trouble when starting in cold weather, and a decrease in fuel efficiency.
How Long Does an Oil Cooler Last?
The heat that the engine produces can produce a lot of damage in the right situation. Making sure that all of the systems on a car that reduce the heat of the...
How Long Does an Oxygen Sensor Last?
Today’s automotive exhaust systems are much more complex than they once were. They must be in order to comply with much stricter environmental controls and the requirement to create less pollution. Your...
How Long Does a Throttle Position Sensor Last?
The throttle body in your car is a rather involved system that is part of its air intake system. The air intake system is responsible for controlling the amount of air...
Symptoms of a Bad or Failing Automatic Timing Advance Unit
If your car experiences engine knock, sluggish performance, or excessive black smoke, you may need to replace your automatic timing advance unit.
How to Diagnose a No-Spark or Loss of Power Condition on a Modern Car
Misfires caused by a loss of power condition on a car can be tricky to diagnose, but are necessary to fix to avoid further damage and costly repairs.

Related questions

Question
Reverse gear wont work but other gears work.
Hello, thank you for writing in. Losing reverse can happen for a wide number of reasons. To simplify things, start with a full inspection. This will include checking the level and condition of the transmission fluid. If it is low...
Question
Loss of power under acceleration
Hello, thank you for writing in. The components you have checked thus far have been valid steps. You want to go through system by system, and make sure the engine is getting what it needs. Start with the fuel system,...
Question
2007 terrible gas milage - replaced cylinder head - ignition coils - and soark plugs - I'd it worth it to replace fuel filter
Hello, thank you for writing in. The fuel economy is going to lessen over time for many reasons. If you believe there is something mechanically wrong with the vehicle, start by scanning the vehicle for diagnostic codes (even without a...
Question
The car wont throttle over 2000 rpms it just idles real rough i had exhaust unhooked it still would not throttle over 2000 rpms
There can be several possible issues that can cause the loss of power acceleration. The fuel pressure may be low and filter clogged. Have fuel pressure and volume checked. The throttle sensor may be cause and will need to have...
Question
My car only accelerates directly after I start it. After a short period, it stops responding to the gas pedal being pressed.
You will need to have the computer scanned and the fuel pressure tested to see if the pressure is low. Since there is a problem then the system tests will identify the cause of the loss of power. You either...
Question
My car hesitates when accelerating, specially uphill
Hello, thank you for writing in. One of the most common reasons for black smoke and a loss of power is a rich air-fuel mixture. With the check engine light on, have the vehicle scanned for diagnostic codes. This can...
Question
My AC is causing my acceleration to not pick up speed from a stop and the RPMs go from 1500 to 500 when AC is on
You may have had one or both catalyst have come apart and is clogging the exhaust. The catalyst will need to be replaced and then check the engine ground on the left front of the motor near the front spark...
Question
I have a dodge charger 2006 that it doesn't accelerat more 4000rpm just want to see what I need to do or how to reset the accelera
The problems sounds like your engine is in failure management mode due to a fault in the vehicle engine computer systems or there is a mechanical fault. You should have the computer scanned for failure codes and then have those...
Question
I have A 91 honda accord with shaking and acceleration issues
This problem of loss of power can be caused by more than one of several causes and would need additional diagnosis to isolate cause. The most common causes are low fuel pressure, distributor failure, and misfiring ignition system. I recommend...
Question
I have a vitz 2003 FL 1.3 automatic it jerks at slow speeds and low revs around 10 - 50 kmh . Also sometimes the gear gets stuck
With a high mileage car like yours, the first thing I think about is whether the scheduled services have been performed. Spark plugs and filters last pretty long, but they should have been changed at least once in your car....
Question
car losing power and slipping
Hello, thank you for writing in. The vehicle may be suffering from a large number of issues. You are going to want to start with the most obvious and likely to fail at almost 200,000 miles. Starting with the "slipping"...
Question
Mazda3 not accelerating
At 200 thousand miles it could be just about anything. You didn't mention f the Check Engine Light is on, but If it is not on, it probably should be. Turn the key on without starting the engine, the CEL...
Question
My Mercedes-Benz Clk320 is vibrating and shaking and and won't accelerate even when the pedal is to the floor what do I do?
It sound like you are losing fuel pressure but you should have the pressure tested and the computer tested for any stored codes. If codes are stored then have the codes diagnosed as needed.
Question
Car had codes for two misses in coils. Replaced all but two spark plugs and coils. However my car loses power going up hill.
There are a number of things that can cause a misfire code besides an ignition coil. There could be air leaks, injector problems, or even a mechanical malfunction in the engine. But if you are not seeing a Check engine...
Question
Car dies and restarts by itself
The total loss of power may be the main fuse box main power relay or a defective totally integrated power box is defective and need replaced.
Question
I have a hyduai Tiburon with 300 T miles and just recently it struggles to get up a hill and very sluggish at other times and once
You may have a clogged fuel filter or low fuel pressure? Also a computer sensor that is failing can cause this problem. I recommend having a mechanic like one from YourMechanic test the computer for codes and check fuel pressure...
Question
When I am driving the car will stopping accelerating as if I took my foot off the pedal but my foot hasn't even moved.
Hello, thank you for writing in. The vehicle may be having issues with the throttle or throttle position sensor. These can be tested and replaced if needed. When this happens, you should also scan the vehicle for diagnostic troubleshooting codes....

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