Recent questions

Question
My 03 Chevy Malibu it starts and runs for about 3 seconds then it dies.
Hi there. There could be an issue with the EVAP canister purge solenoid. The solenoid causes excessive pressure in the fuel tank and can cause the engine to stall out. If the EVAP canister purge solenoid is working properly, then...
Question
Car stutters and makes noise as it accelerates.
Hi there. The loud noise that you are hearing could be either the engine speed is high or the radiator fan is coming on. The engine stumbling when accelerated could be caused by either a dirty fuel filter or a...
Question
Oil filter
If the vehicle has been sitting or hardly used for three years then I would recommend replacing the filter anytime the oil is changed. The filter is still three years old being soaked in oil and should be replaced. ...
Question
Car cuts off when driving. I replaced the plugs, coil, fuel pump, plug wires, and the gas cap. The light came on for the gas cap.
Hi there. Check the fuel pump relay and see if the relay is working. It is possible that the relay could be getting hot or have a loose connection within the relay causing the relay to stop working from time...
Question
Could a bad ignition coil cause a lack of heat when turning on the heater?
The ignition coil generally does not have anything to do with the engine's ability to produce heat when the engine is running properly. The lack of heat you are experiencing may be a result of a clogged heater core. The...
Question
Only get heat when i rev up my car or push the gas. Other tham that i only get cold air coming out.
You may have a clogged heater core that may be prohibiting the outer linings of the heater core to get hot. As you know, the heater core is a series of tubes that the coolant runs through that generates the...
Question
Replaced power steering pump and still have a hard steering.
Hi there. There is a PML valve that is on the rack and pinion steering on your vehicle. Check to see if the valve is working. The PML valve is is the speed sensitive steering valve for the steering system....
Question
Heater
The lack of heat being generated by your system may indicate a clogged heater core. The [heater core]((https://www.yourmechanic.com/services/heater-is-not-working-inspection) is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses this...
Question
Rear of car makes whining noise.
Howling, whining or whirring noises coming from the rear-end of the vehicle may indicate the need to have the rear differential inspected. Howling under acceleration at various speeds may indicate that the gears are worn out or are out of...
Question
Squealing when I push the gas won't go over 3000 rpm 30 mph at most.
The lack of power you are describing may be related to a clogged catalytic converter. As you may already know, the catalytic converter converts toxic exhaust gases into less harmful pollutants that are suitable to be expelled into the atmosphere....
Question
Heater won't work
The lack of heat being generated by your system may indicate a clogged heater core. The [heater core]((https://www.yourmechanic.com/services/heater-is-not-working-inspection) is a small radiator like unit that circulates the hot coolant from the engine through the heater core which then uses this...
Question
It is very hard to put my car into gears been told it needs to be adjusted
This may suggest the transmission synchros may be wearing out. Your transmission has small gear synchronizer rings that help to move the transmission in and out of the various gears. When these begin to wear out, you may notice it...
Question
I'm not sure if it's a thermostat or the water pump that needs replaced
The heater not working in some cases may be related to the overheating problem you are also having. This may be due to a faulty heater blower motor or potentially a bad heater core. As you may know, the heater...
Question
The car is misfiring and not picking speed
Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...
Question
Why is my car still misfiring and smoked when idling
Engine misfires can be caused by many different problems and are generally caused by either a spark or fuel issue or in some cases, a combination of both. Spark related problems generally will result from things like ignition coils, crankshaft...
Question
While idling, the vehicle does not blow any hot air until the vehicle is moving.
This may suggest the thermostat is not opening and closing at the correct temperatures causing warm coolant to flow through the heater core. If this is the case, however you may also notice a fluctuation in engine temperature as well...
Question
Engine idle fluctuates
There are a couple of reasons your engine idle may run high such as a vacuum leak or a dirty or faulty idle air control valve. The idle air control valve reads the air intake as it is mixed with...
Question
Engine idle fluctuates and dies.
This may be a result of a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...
Question
Truck running rough. Shaking while idling and seems to shake more when accelerating.
A faulty oxygen sensor can certainly cause an engine to run rough and cause a bit of shaking due to the imbalance in the air/fuel load. As you may know the [oxygen sensors]((https://www.yourmechanic.com/services/oxygen-sensor-replacement) which are part of your emissions system...
Question
Thermostat
Your truck will use either thermostat, but the 180 thermostat may be the better option providing better cooling and keeping engine temperatures lower overall. The difference is simply the temperature at which the thermostat opens, thus the 180 thermostat being...
Question
My Sentra makes a Knocking sound when I Accelerate or Brake
You probably have one or more motor mounts failing. The motor mounts have a rubber buffer in them to soak up the engine vibrations and when they get tired the engine can shift around a little bit. The one that...
Question
What's is wrong?
This may be a result of a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and...
Question
Unidentified oil leak
I'm afraid the previous owner is not going to be much help on this one. It sounds like they may have been confused and combined a few unrelated terms to describe a part that doesn't exist. The first step to...
Question
Car does not start
If you have power to your accessories such as the radio, heater, etc. this suggests that your terminals are providing good connection from the battery. The no starting issue may be related to a faulty starter relay. The starter relay...
Question
Jerking reaction when accelerating
This may be related to a faulty throttle position sensor or potentially a dirty or failing mass air flow sensor. The mass air flow sensor is a unit in the intake system that monitors air intake as it is mixed...