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Sudden loss in power
Jumpstarting a car made in this century is always a risky business. Even if you do everything right, the resulting power surge can damage the cars electronics. If you hook the cables up backwards, there is a spark and the...
My car jerks while shifting gears. Will a transmission flush help with this problem?
Hello - some would say not to flush the transmission at this mileage point, for fear of stirring up debris and clogging shift valves. On the other hand, changing the fluid and filter may improve gear engagement (slow as you...
Fuel problem
I would recommend checking your relays to ensure that they are working properly. A faulty relay is more common than a fuel pump going bad. If your relays are fine, you may need to get a new fuel pump. ...
What outher audi seats will bolt up an fit in my car
Hello. The main concern would be the compatibility of any sensors (e.g., air bag) that might be integral to the seat as well as the compatibility of the power seat controls, plugs and so forth. There are several way to...
Where is my coolant sensor
Hello, thanks for writing in about your Jeep Cherokee. The coolant temperature sensor for the gauge on your Cherokee should be on the back of the driver's side cylinder head. If you need some assistance with this, consider YourMechanic, as...
what is an HydraulicTensioner?
Hello. A "hydraulic tensioner" is simply a fluid filled device, where the fluid exerts a calibrated amount of pressure on a hardened steel pin that in turn pushes on a pulley arm to keep the timing belt taught. If the...
Trouble starting and acceleration bogs down
Hello there, thank you for asking about your 1986 GMC S15. You don't say whether you have an automatic or manual transmission, so I'm not sure how to help you with your shifting concern. As far as the engine performance...
Having trouble trying to locate my knock sensor. It's throwing a code for it. 1,2,4,5,6 cylinder misfires
As you may know a knock sensor may fail for any of the following reasons: The knock sensor is faulty and needs to be replaced There is a wiring open/short/fault in the knock sensor circuit The PCM/ECM has failed...
Car getting no fire. Battery checked and is good. Started up, drove 4 miles to work. Tried to crank, nothing.
Hi there, thanks for writing in. I'd be happy to help. You appear to have more than one problem. This would not be out of the ordinary for a 1986 vehicle. Let's begin with the key getting caught. Having to...
Normally, when the headers start to glow, it is a sign that there is a restriction. Typically, the headers will not begin to glow until high rpm's are reached, which from a theoretical standpoint, are telling you that they are...
brake lights and turn signals on all the time and break lights don't work.
Hello. From what you describe, it appears that your vehicle may be experiencing electrical issues. If the brake lights are staying on at all times, then the first thing I would do is check the stoplight switch. If it is...
Not sure what is wrong with my car and I feel like my mechanic may be trying to rip me off
If your oil pan was cracked prior to towing to the shop, there is a good chance that your engine was damaged prior to getting to the shop. There is no way to tell whether or not his starting it...
Loss of power after driving for about a mile. The car won't drive over 30 mph.
Your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel speed while relaying this information constantly to the ABS and traction control system which are controlled by the car's ECU. When the ECU...
Won't start
Hello, thanks for writing in. From what you describe it would appear that your vehicle is experiencing some sort of engine performance or electrical issue. If the warning lights are on then I would scan the computer for trouble codes...
car starts and runs for about 5 seconds then dies
With the age and that it sat for 7 years, whatever fuel remained in the fuel lines and injectors, may have ruined one or all of the injectors. Also the fuel pressure regulator may have failed. You may be able...
I have a 3800 engine the motor is good but it's getting hard to start and sometimes it's stalls out when coming to a stop
Hello there. There are a variety of causes for an engine to be hard to start and stall with your 1989 Chevrolet Camaro. The most common would be a vacuum leak, fuel pump, alternator, wiring harness fault, fuel filter, exhaust...
Rough idle and low power
Hi, thanks for writing in. It sounds like you have timing chain related problems for sure. The central component, your timing chain, which maintains a critical relationship between the crankshaft, and the camshafts on your engine, has likely chewed up...
Car won't start after getting gas
Hello. If this is occurring right after you get fuel then most of the time it is caused by a vent valve or purge valve that is sticking open. Most of the time it is a purge valve problem. This...
I was told I need a new water pump. Coolant leak into my left headlight. Car never overheated.
Hi, thanks for writing in. Water pumps will wear out eventually. Replacing them is very important to the lifespan of your vehicle. Temperature gauges in vehicles are largely misunderstood. They will only give you accurate readings if they are submerged...
Car won't start after I changed the fuel pump. It was dying and back firing before I changed it. Could it just be low on gas now?
Hi, thanks for writing in. I recommend listening to hear if the fuel pump is running during cranking, and checking fuel pressure. Should be at least 10 psi. If the pump is not running, check the fuel pump fuse(s) and...

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