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V8-5.3L

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Question
Filling up at the gas station.
The issue is the purge vent hose on the fuel filler neck is either leaking or it is plugged up causing the fuel system to vapor lock making the fuel not flow into the fuel tank properly. Check the hose...
Question
Cleaned throttle body, now it won't go into gear.
The Idle Air Control valve got damaged when the throttle body was cleaned. I suggest removing the IAC valve and cleaning it out. The electronics could be wet causing the valve to change the engine idle and the computer will...
Question
I have a 1999 chevy silverado 1500 ls v8 5.3 liter what is my amperage on my altinator?
If you still have the original alternator installed, look at the numbers on the alternator. If you see a "K68" label (or part number 321-2104) you have a 105 amp alternator. If you see a "KG8" designation (or part number...
Question
Which side of a driveshaft do you put the spline on or does it matter?
The spline on the drive shaft should be as close to the transmission or transfer case as possible for the rear and front applications. This prevents any unwanted twisting torsional motion with the driveshaft and allows the yoke to have...
Question
Wheel is free but the key won't turn
You should try a different key if you have a spare one to try. If the spare key turns the ignition now then the original key is worn and needs replaced.If you do not have an extra key then look...
Question
I have an 03 Tahoe and this morning it would not accelerate very fast.
A loud hissing noise can often point to a vacuum leak and these leaks will allow unmetered air to enter the engine and throw off the fuel calculation which may hinder performance and signal the check engine light. A throttle...
Question
Hi. I have an 04 avalanche the brake system seem to have locked up while i was driving. can u tell what it might be? its makes a l
Hi there. Your 2004 Chevrolet Avalanche should have an anti-lock braking system; which in most cases will restrict the braking to ensure this doesn't occur. However, there are some things that will restrict the ABS from working as it should...
Question
Check engine light not working.
If the check engine light is not coming on, then that is a good sign. If your dashboard before displayed the check engine light before and now it is not coming on, then the dashboard warning light could have burned...
Question
Brake abs and traction control light on lost brakes today
Hello, thank you for writing in. The traction control system and the ABS work hand in hand to help keep you on the road in slick conditions. They are both monitored heavily by the computer which makes diagnostics a lot...
Question
Courtesy light fuse drains battery 2000 Chevrolet Silverado
Hi there - great diagnostic work! At this point, having identified which circuit is causing the drain, you will need a wiring diagram that identifies what other devices are on this circuit (clock, underhood light maybe?), and could be drawing...
Question
Brake pedal goes to the floor and white smoke coming from exhaust.
Hi There, You should be able to just replace the cylinder and flush out the brake lines to correct this. While it may be possible that either the master cylinder or the booster could also cause the pedal to go...
Question
I have a 02 Tahoe four wheel drive. How many u-joints are on it?
Hi there. There is a total of 9 universal joints on your vehicle. The universal joints are in the following locations: Universal Joint Locations 2 on the rear driveshaft, 1 on the differential and 1 on the output shaft...
Question
I have a 2003 Chevy avalanche it runs great till I turn on the headlights then it goes into limp mode
Hi There, This suggests you may have a short, a faulty connection somewhere in the main harness from the lights or potentially an issue with the charging system or battery. If the battery is weak enough, this may draw enough...
Question
My truck won't start but I used a scanner and it says nothing is wrong with it other than the abs so what could be the problem
Hello, thank you for writing in. The vehicle may not be starting for several reasons. The first thing we need to do is verify if the starter is cranking at full speed. If it is slow or stumbling, then you...
Question
My key fob doesn't unlock my 2007 Pontiac Grand prix and my obd 2 reader won't connect.
As far as the malfunctioning key fob, it may be time for a new unit. The contacts may be worn out on the circuit board inside the device or the button may be worn and not making enough contact. You...
Question
p0175
Hi There, This may not be as bad as it appears to be as these codes may all be related. Code P0175 relates to a rich fuel condition (too little oxygen in the exhaust) which may be caused by a...
Question
I need a lifter on my 2011 Chevrolet Tahoe
Hi There, Unfortunately, there would not be any way to tell whether or not your motor needed a new valve train lifter just by the check engine light coming on. You would likely need to have the engine disassembled in...
Question
Crank no start condition 2000 Chevrolet K1500
Hello, your "Cylinder 3" symptoms suggest either a leaking injector as you noted, or possibly crossed plug wires. If Cyl 3 firing makes it harder for your engine to start, that suggests that it might be firing out of order....
Question
My truck has hard start issues in the morning and afternoon. I live in Florida.
There are many causes of hard starting and the reality is all of the causes have to be considered sequentially and patiently. Some illustrative causes include a faulty engine coolant temperature switch (sensor), malfunctioning idle air control (IAC) valve, vacuum...
Question
Plan on buying a 2007 impala SS with 124,000 miles on it. Would that be a good purchase?
Hi there. When it comes to buying a pre-owned vehicle, it is best to perform a pre-purchase inspection to make sure that the engine, transmission, drivetrain, and suspension is all in order and working condition. Also it is best to...

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