Popular questions

Question
Can my 2003 non-turbo 2.4 L engine be swapped into my 2004 turbo PT Cruiser?
Anything is possible, but it's not a straightforward swap. The powertrain control module (PCM) is different as is the wiring. I'm sure there are other subtle differences as well. You could use the 2003 as donor car and pull everything...
Question
locating obc relay
Anyone know? I can't find it. OBC = onboard computer in-dash. VIN is incomplete
Question
Misfire
It sounds like you may have a misfire of some kind. 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...
Question
Loss of power
Hello. From my experience with this truck this is usually caused by a wiring issue on that side of the engine. If the ground loses connection then one side of the engine will begin to misfire and this will occur....
Question
Leak
Without any information about the vehicle, I can say this. Many cars today have oil change intervals of 7500 miles and even up to 15,000+ miles. Going 7000 miles between oil changes is generally not going to be the cause...
Question
Brake lights don't work and the shift interlock if torn apart and damaged
It is possible that the brake light switch is malfunctioning. I would recommend having your vehicle inspected by a qualified professional to determine the exact cause of this issue. Many times the shifter lock will release when the brake pedal...
Question
Bank 1 too lean
While a bad O2 sensor can be the cause of a 'lean" fault code, it can be set for a number of reasons. A vacuum leak anywhere in the intake system can cause a lean fault as can other sensors...
Question
How do I put the iPod in shuffle mode?
You can control your iPod with the sound system controls to enter shuffle mode. When using an iPod, there are two kinds of shuffle modes: track shuffle (shuffles all of the songs), and album shuffle (shuffles all of the songs...
Question
Hard to turn steering wheel
It sounds like you are low on power steering fluid; power steering pumps are very noisy when they are low on fluid. You will also lack power assist. Check the reservoir with the engine off; if the fluid level is...
Question
p4020 code is my o2 sensor bad?
Hi there: The OBD-II error code P0420 generally indicates a Catalyst System Efficiency is below threshold (Bank 1). The upstream oxygen sensor is located in front of the catalytic converter. If the upstream oxygen sensor is working properly, its readings...
Question
Car shakes and turns off
Hello. There are many factors that can cause a car to stall upon start up. You could be experiencing a fuel supply problem or a fault with a sensor in the engine management system. The first step with any drivability...
Question
Car makes no sound when trying to start.
I would still look at the battery and see if the cables are corroded. I recommend having a technician come inspect your vehicle and clean the battery terminals and check voltages from the switch. If the battery is OK, you...
Question
Transmission has a constant loud & annoying hum
Hello. You are correct that this is not normal, but Acura does not have a fix for it. This is a design flaw in the powertrain. Your only form of recourse on this is to contact their national customer service...
Question
My '98 expedition drives fine for a while, then after a few hours, when sitting still, it idles rough then shuts off.
After some testing done to verify the EGR valve flow to see if the valve is intermittently sticking open causing the stall. This can be done using a scanner with the capability to open and close the EGR valve and...
Question
MAP sensor
Hello. MAP stands for manifold absolute pressure. So the answer to your question would be that it is the manifold absolute pressure sensor that there is something wrong with. The map sensor reads the pressure in the manifold and sends...
Question
Power steering
This suggests your power steering pump may be failing or you have a leak elsewhere in one of the power steering lines. The [power steering]((https://www.yourmechanic.com/services/power-steering-fluid-is-leaking-inspection) system operates on very high pressurized hydraulic pressure (in some cases as much as 300...
Question
Cupped tires
Hi there: Cupping on a tire is one of the more difficult items to diagnose; due to the multiple causes of cupping. In most cases, cupping is caused by suspension components like struts that are worn out; causing the tire...
Question
I hav e a 87 Cadillac brougham
The stalling you are describing probably stems from a fuel and/or ignition system fault although air induction could be an issue including the possibility of a large vacuum leak from, for example, a leaking brake booster. To see if it's...
Question
no spark , no fuel
Hi Charles. Thanks for contacting us today. If you're not getting any fuel pressure at the fuel rail, there are two usual suspects. Either you've got an obstruction somewhere in the fuel lines (from the pump to the fuel rail...
Question
Hesitation when accelerating
Hi There, It sounds like you are describing the symptoms of a failing throttle position sensor. The throttle position sensor monitors the throttle position of the throttle plate inside the throttle body in relation to your foot position on the...
Question
Car cranks, but will not start.
No start conditions are some of my favorite to diagnose. A car needs 3 things to run. Gas, air and spark. If one of those is missing the magic doesn't happen. We know you have fuel in your tank, but...
Question
Power steering and power brake stop working
Both the power steering and power brake assist are powered by your power steering pump. I would start by inspecting the level and condition of your power steering fluid. It is located about mid-way down the driver side front of...
Question
My 2002 Ford Crown Victoria is acting like it want to go, even though I'm not pressing on the gas
Hello. The most common cause of the high engine idle accompanied with a delayed acceleration will be a vacuum leak in most cases. This engine gets vacuum leaks on the vacuum connection on the intake manifold for the PCV hose....
Question
I was rear ended at a stop light and it cracked my subframe. Is it worth fixing and what do u think it might cost?
Hi there. This question is very difficult for us to answer accurately, as we're not there to inspect your Cavalier personally. However, this is a job that should be completed by your insurance company or a local body repair facility....