Popular questions

Question
It's runs really bad upon start up, but if allowed to idle for 30-45 min it will run perfectly.
Hi there. What seems to be happening is your engine is being leaned out when running cold until the engine reaches operating temperature. Check the coolant temperature sensor or the engine temperature sensor. These sensors could have a fault in...
Question
Car was low on oil and the engine locked up while driving.
Hi there: Oil is essential for keeping all the moving parts "moving" inside a combustion engine. When the oil level is low or pressure is low, it can cause metal parts to create excessive heat or friction. If this occurs,...
Question
car will not start
If you are sure that fuel is not flowing through the fuel filter that means that the fuel pump is not powered or is not functioning. When you turn the key to the "on" position, you should hear the in...
Question
Misfiring and jerking when accelerating.
The jerking reaction you are experiencing may be related to a dirty or failing mass air flow sensor. This is a component that measures the air intake as it enters the intake of the engine reading and relaying this information...
Question
Fuel
Sounds like you have a clogged fuel filter or dirty injector ports. You may want to try putting a can of Seafoam in your gas tank and see if this will help clean your fuel system out. If you still...
Question
Car is running hotter than normal.
Hi there. Check the coolant level to the radiator. If the coolant is low, then fill it up to the top and recheck the overheating conditions. If the engine continues to overheat or if the the radiator is full of...
Question
Check Engine light is coming on
The problem may not be the Mass Air Flow or MAF. It could be an unmetered air leak, such as a torn intake duct or vacuum line. Check the ducts and make sure they are free from cracks or splits...
Question
Rear differential humming
Hi there. A humming noise usually indicates a worn pinion bearing or an incorrect backlash setting on the rear differential between the ring and pinion gear. Sometimes, if the pinion bearing develops play due to wear, the pinion gear will...
Question
Check engine light and P1345 code
I'm thinking that they may have sold you a V6 distributor. Remove the rotor and look at the top of the vane cup for a "6" or an "8". It there is a 6, it's a V6 distributor and won't...
Question
Water leaking in mid-section of car
Hi, thanks for writing in. Typically when coolant is leaking in the center of vehicle, it comes from the water pump or the primary coolant line attached from the pump to the block. In order to verify this you can...
Question
I have injector circuit open on 2, 4, and 6 error codes (codes P0202, 204, and 206)
Hi James. I would suggest purchasing a service and repair manual for your 2006 Cadillac CTS, as it will provide you with a wiring diagram for the fuel injector wiring. It is very common on these Cadillac's for the wiring...
Question
Anti-theft system kicks in when starting and says car might not restart
Hi there. If the anti-theft system is acting up when the vehicle is started then it thinks that it is being stolen. If the correct key is being used and if you have a spare key to try that is...
Question
Hesitation backing up
Hello. The symptoms you describe can commonly be caused by transmission issues as well as a variety of other issues. If the issue only appears to occur with reverse gear then it may be possible that there is an issue...
Question
What does a vacuum pump do in a car?
There are both brake system and emission system related vacuum pumps. Both are part of essential vehicle systems and so their repair is definitely important but to answer your question as to the cost of the repair, not only would...
Question
Car ran hot pull over turned it off and it won't start please help
If you ran your car hot then you may have blown a head gasket and lost compression in some of the cylinders of the engine. You will need to have a compression test done to pinpoint the issue. A cooling...
Question
Low fuel pressure
Hello. If your vehicle is displaying low fuel pressure then it may be possible that there is an issue with the fuel pump. There are instances where a worn out fuel pumps will still operate but provide lower fuel pressure,...
Question
Tire valve stem base leaks air
From the description provided, it seems you have quite the leak coming from your Corolla’s tire. I would recommend taking your vehicle, or just the tire if you wish, to the nearest tire shop and have them replace the valve...
Question
Will the working motor from my 2004 Saturn Ion 2 L fit the transmission in my 2003 Saturn Ion 2 L
Hi there. We get this type of question quite a bit. In most cases, the engines themselves will fit just fine and will be compatible with the transmission. However, the issues that always occur is linking with the ECU, fuel...
Question
How do I change the optional message center display?
The optional message center display allows you to choose what information is displayed. These are the available options: fuel gauge, distance to empty, and bar tachometer; fuel gauge and round analog tachometer; fuel gauge, round analog tachometer, and engine coolant...
Question
P2402 code, Evap system warning and the leak
This is a fault for the evaporative emissions pump control circuit. This can mean the evaporative emissions pump is faulty. The evaporative emissions pump needs to be checked for function and then the evaporative emissions system needs to be checked...
Question
Clicking noise when turning wheels. Is this type of job going to cost thousands or should I get a new car?
Hey there. As you may know, the CV joints are the connection that transfers power from the transmission to the wheels by the use of the CV joints and drive shafts. They have a rubber boot that covers them to...
Question
Steering wheel off-center, counter-clockwise
It is very possible that something may not have been tightened down enough during the alignment that you had done and that something slipped out of place. Alignments are very sensitive and are measured down to the hundredths of a...
Question
My 2000 nissan frontier hesitate on shifting , and stays with running with my foot off clutch in first gear
Hi there. On a manual transmission, most shifting problems are caused by a clutch failure or a gear failure. This is rather common for a vehicle that is more than 15-years old and over 250,000 miles. Trying to pinpoint the...
Question
Smoke keeps coming out of the hood when I am drive My 2005 Liberty Jeep and temperature gauge does not move to the right side
Hello. Sounds like you have a cooling system leak, and you have air inside the engines coolant passages. The engine will violently boil off the coolant inside the engine as you have observed. Let it cool, refill with coolant, turn...