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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
Car won't turn over
Hello, thank you for writing in. While there are many issues that may cause these kinds of running issues, we need to focus on the fuel, air, and spark systems. The first thing to observe is whether or not the...
Question
I have a 2002 Silverado 1500 4x4 and I have to be pressing the gas to keep the engine from stalling.
Check the coil packs and see if they are producing the voltage needed to keep the engine running. If the voltage is too low, then the coil packs may need replaced. If you have an inline fuel filter, I suggest...
Question
535 I high idling and reads engine malfunction reduce speed but my car was not running I just started it
Hello, thank you for writing in. The vehicle starts to run tests on the vehicle's systems the second the key is inserted. By the time you start the car, any issues the computer has detected are designed to alarm you...
Question
My 2005 Kia Sorento doesn't have the power to go down the road. It will start and run, but it won't go faster than 35 mph.
Check to see if any vacuum lines were disconnected when your engine was serviced. A vacuum leak can cause the engine to have a loss of power under a load. If all of the vacuum lines are good, then the...
Question
88 Grand Prix 2.8L. Idles fine in park but won't go over 2k rpms. Idles fine in drive but won't go over 30mph or 2k rpms
Hello, thank you for writing in. Everything you have done so far will only improve the performance once this issue is resolved, so do not loose hope yet. The only system it would appear you have not looked into would...
Question
I have 2011 dodge avenger 2.4l R/T I have recently put a new battery and alternator in the car but it randomly loses power. I am s
Hello, thank you for writing in. If the vehicle is loosing power while it sits and is off, then a parasitic draw would stop it from starting. If you have excess draw while the vehicle is running, you will want...
Question
Is it bad to drive a car that needs a valve adjustment?
Hi there. If the valvetrain is out of adjustment or the lifters are stuck and making a tapping noise on the top of the engine, then that could damage the engine when driven. I recommend changing the engine oil and...
Question
I have a 1997 dodge ram 1500. It is not getting up to speed and acts like it has no power.
Hi there. Check the fuel pressure on the fuel rail and see if there is at least 30 psi. If the fuel pressure is low, then either the fuel filter is plugged or the fuel pump is not producing enough...
Question
2004 chevy silverado 2500hd dies when put in gear after the engine warms up
Hello, thank you for writing in. Unfortunately, there are a large number of components that can contribute to this issue. The first thing you will want to do, regardless of a check engine light being present or not, is to...
Question
1999 Jeep Cherokee idles fine, loss of power at higher rpm. Cruise control stopped working at the same time. Stalls at stopped when revved up from idle.
The cruise control switch could have an issue and may have shorted the contacts inside the switch terminals. For the engine stalling after pushing on the throttle pedal, there could be either a vacuum leak on the engine or the...
Question
I have an 03 Tahoe and this morning it would not accelerate very fast.
A loud hissing noise can often point to a vacuum leak and these leaks will allow unmetered air to enter the engine and throw off the fuel calculation which may hinder performance and signal the check engine light. A throttle...
Question
Full exhaust system is not hooked up.
Check to see what on your exhaust system is hooked up. If your catalytic converter is hooked up and the pipes are hooked to the engine with good gaskets, then as long as the sensors are working, there is nothing...
Question
Lack of power 1991 Nissan 300ZX
Hello and thanks for writing in. There are a number of things that can cause the motor to over fuel or run rich. When this happens, it is usually related to things like faulty fuel injectors, a failing mass air...
Question
I have a 98z chevy pickup, first thing in morning I cranks it up I hear bubbling noises in beater coil. When I put It in drive it
Hello, thank you for writing in. You are likely dealing with two separate issues. If you are loosing coolant that quickly, then you need to check for any external leaks in the system. If there are no signs of leaking,...
Question
I have a sr20 vvl with a cvt transmission it starts to drive then looses power while driveing and at take off.What can be my probl
Hello, thank you for writing in. The vehicle may be suffering from one of several issues. It is going to take some time and testing to figure out what the issue is. First, have the vehicle inspected for diagnostic codes....
Question
Loud whine from the front of the engine, and has no power from my turbo. It also idles very high around 2000 rpm.
Check the hose from the MAF sensor to the throttle body and see if there is a leak or if the hose clamps are loose. This will produce a vacuum leak before the intake and make the engine run different...
Question
Loss of power while driving.
The fuel pressure should be checked to inspect the condition of the fuel pump. If the fuel pressure is low, there may be a problem with the fuel pump or fuel filter. A weak ignition system may also cause a...
Question
Why Is My 2008 Kia Sportage Engine hesitating After Replacing the Battery?
Hello, thank you for writing in. Always start with the basics. The charging system, including the battery and the alternator, will have a large effect on how the engine performs. Because you were experiencing issues with the battery and the...
Question
Check engine light on, engine knocking, loss of power, and coolant leaking.
Hi there. Grab a flashlight and look under the vehicle for where the coolant leak is coming from. Either there is a gasket, hose, or freeze plug that is leaking causing the coolant to leak or the engine has cracked....
Question
Car runs better if I unplug fuel injector 8 but makes a ticking noise and runs sluggish if it's connected 2006 Ford Mustang
Hello - your symptoms suggest a failing injector . It appears to be leaking when it's plugged in, as well as noisy. Check for problem codes relating to a rich mixture,, although it's possible that the oxygen sensors for that...

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