Showing articles & questions for topic

Related questions

Car revs high
Air leaks into the intake system (a loose hose, or the EVAP valve as you have already experienced). If there are no codes, even transient codes which may not set the Check Engine Light, the problem could be a loose...
Why does my rpm rev up but the car doesn't accelerate
Hello there, many faults will cause your RPMs to increase but the car not to accelerate. This is called a slipping clutch and happens when power is applied when in gear. There are several causes for a slipping clutch; the...
Revving problems
Hi there. This issue is typically caused by one of two issues. Either the throttle body blades are dirty and are sticking or the idle control valve is damaged and needs to be replaced. Before you purchase new parts, you...
Transmission wont go into gear
Check to see if the transmission will engage in Low, 1, or 2. You can shift manually to those positions. If it does engage, that could signify a broken apply band (such would require rebuilding the transmission). If the transmission...
Rpms go up but the car wouldnt accelerate the way it should. Eventually after about a month the car would onlyago about 5 mph in
This may be a variety of possible things that could cause this to happen. If this is a fuel issue, it may be related to a throttle position sensor going bad. The throttle position sensor (TPS) is a sensor used...
I press the gas pedal but the car isn't getting gas. The engine doesn't rev up.
Good question. I want to go through a few steps with you and hopefully find your problem and save you some time and money. If you find the issue during steps, then ahead and fix that fault and you should...
I think my cv boot came off!
I am glad you asked this question. I am going to go through some steps with you to ensure that you have the correct problem diagnosed. When you look at the wheel well on the side where you...
The relation between car revving and timing chain
Hello, thanks for writing in. Short period of high revving on a good engine will not damage anything. If the engine has been held at a high rpm for a long period of time, or if there are any issues...
Engine revving
Hi there. Is the Check Engine Light on? This may be caused by a very large vacuum leak or a faulted throttle position sensor. Check for a loud hissing or sucking noise coming from under the hood. I recommend hiring...
Engine won't start after running it for ten minutes - 2001 Nissan Frontier
Hey there. This suggests possibly a lack of fuel pressure getting to the injectors. This can happen when the fuel pressure regulator is not maintaining the required fuel pressure in the system consistently. This may also be a result of...
Power loss, won't go up hill.
If your engine is revving but the vehicle is not maintaining speed on hills, then the transmission may be slipping due to internal clutches. Have the fluid checked by an expert to see if it is burned or has metal...
My car will not rev passed 3 rpm not sure what the problem is engin and tranny are good need help
The engine may have a bad distributor causing low power. If you have replaced the fuel filter and still get poor acceleration then check the fuel pressure and if it is normal then remove distributor cap and check for oil...
After overhaul my Ka24 d21 doesn't rev pass 4000 rpm
Hi there. From the description you have provided, I'm not sure running a recently overhauled engine over 4,000 rpm is a good idea. There is a 500 mile break-in period recommended by most rebuilders. Change the engine oil and filter...
My car won't rev pass 3k RPMs except when it is in 5th gear.
Hi. This sounds like the clutch for the transmission is slipping, causing the shifting condition you have. The clutch is what allows you to shift from gear to gear. When this part fails the car may not move, be sluggish...
Car revs up and won't rev down. Changed ICV
High idle problems are often times related to vacuum leaks or lean fuel conditions. I would start by checking for vacuum leaks and other fuel delivery components, such as the mass air flow sensor, injectors, throttle body, etc. High idle...
Car starts, then stalls in one second.
Hi there. This can be a computer issue, but from the codes and the issue it sounds more like a voltage problem. If there is low voltage from a bad battery or a bad connection then the vehicle will act...
My cars speedometer just now started wiggling and going back and forth and sometimes to 0 mph.
I would recommend changing the speedometer. I recommend this because the speedometer on older vehicles from the 90s have a manual gear that turns the it. It seems as if the gear has broken and only contacts the needle some...
I have a 02 chevy trailblazer I went to step on the gas pedal and all it did was revved up but no go I pulled over and it died I t
This may be caused by many things such as low fuel pressure, a bad mass air flow sensor or a faulty idle air control valve. Low fuel pressure can cause an engine to starve for fuel due to irregular fuel...
Car idles rough wants to almost do and kinda jumps when at stop lights and lights flicker but stops when given gas
There are a few components that could be causing your problem. You may want to start by doing some voltage testing on the battery and the alternator. If you know your alternator and battery are good, look at the drive...
My car is not starting when the MAF sensor is plugged in - 1991 Nissan Serena
This may be a sign of 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 with fuel prior to being injected...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.

Ask a question