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What happens if you close off the EGR valve?

What happens if you close off the EGR valve? A clogged or closed off EGR valve will sometimes give off an audible noise resembling a "pinging" or light "knocking" coming from the engine. The trait is nearly similar to pre-ignition or detonation, both caused by abnormally high combustion chamber temperatures. What should I do if my EGR light is not working? The repair of this condition is removal of the EGR valve and inspection of the passageway to check for a blockage. Each model vehicle has different procedures for clearing the passageway due to many different configurations of the system....
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Where is the VIN number on a 1935 Ford?

Where is the VIN number on a 1935 Ford? Ford 1935 – 1940 Serial number was located on left side of frame near firewall. Where to find the VIN on a 1936 Ford pickup? If there's a transmission in it. AND its the original the VIN is usually stamped on there also. You can look online to see if the number you find is a 1936 number. Usually the number on the frame has a star on each end and starts with "18-". But I could be wrong. I think 18 denominated a V8 vehicle. Register now to get rid...
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What was the mileage of a 1995 Ford Mustang GT?

What was the mileage of a 1995 Ford Mustang GT? ABS was available as an option. Traction control, though, was not offered. With the automatic transmission, the Mustang GT received an EPA fuel economy rating of 15 mpg in the city and 22 mpg on the highway. With the manual transmission, highway mileage increased by 1 mpg, though city mileage remained the same. What kind of transmission does a 94-95 Mustang have? The 94-95 SN95 Mustang/Cobra Super Duty T-5z is a step up from the T5’s used in the 1994-95 Mustangs. The gear sets in the earlier t5’s were built...
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How does a water temperature sending unit work?

How does a water temperature sending unit work? How does a water temperature sending unit work? The sending unit is a temperature-sensitive material that is part of a variable resistance, water-sealed unit that sits in the coolant stream in the engine. As the engine warms up the resistance in the sending unit is lowered gradually until the system reaches maximum heat. Where is the temperature sending unit on a 350 Chevy? The sending unit is a temperature-sensitive material that is part of a variable resistance, water-sealed unit that sits in the coolant stream in the engine. As the engine warms...
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Should engine be running when bleeding power brakes?

Should engine be running when bleeding power brakes? As a rule no. Running the engine only makes it easier to press the brake pedal down. Today mechanics bleed brakes by the gravity method. The just open the bleeders until take the cap off reservoir, open all bleeder screws at the wheels, and wait for fluid to emerge from each bleeder them close them one at a time. Where do you Bleed the brake caliper on a Ford Superduty? Proceed to the driver-side rear and then bleed the passenger-side front. The last caliper to bleed is the driver-side. front. Check the...
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Does a bad Cam cause low oil pressure?

Does a bad Cam cause low oil pressure? There are also passages in the camshaft for the cam bearings (that support the camshaft). Typically worn rod bearings, not main bearings or cam bearings, result in low oil pressure at idle. If the other bearings are worn, the pressure would be low no matter what the engine speed. What causes engine clatter when low oil pressure? But, if the warning goes unnoticed or is ignored, the next clue that something is wrong may be; valve clatter as the hydraulic lifters or lash adjusters are starved for oil and ingest air. As...
Common questions

What triggers oil change?

What triggers oil change? What does it mean when the oil light comes on? When the oil light on your dashboard comes on, it might mean your vehicle has low oil pressure. This drop in oil pressure could be a sign of a few things: you are low on oil, your oil is dirty, or you have an oil leak. What happens when you run out of oil? My car died when I ran out of oil, put oil back in the car but it will still not start; no popping or riddling occurred when the car died. What's wrong...
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What causes the wastegate to flutter on a turbo?

What causes the wastegate to flutter on a turbo? Stress caused by an aging turbocharger or by a motorist increasing boost pressure from the turbocharger can overwhelm the spring that opens the wastegate at a specified pressure. In these case, the wastegate will flutter because the spring cannot keep the gate fully shut. Can a malfunction of a wastegate cause a boost issue? A malfunctioning or improperly assembled wastegate can cause a variety of boost issues. Two types of wastegates exist as of 2011: internal and external. Built onto the turbocharger housing and typically found in smaller turbochargers, internal wastegates...
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What should the cam profile be on a small block Ford?

What should the cam profile be on a small block Ford? If you’re going to use stock heads, which we expect with a stock or near-stock engine, your cam profile need not be too aggressive. Opt for a cam profile that will give you good lowand mid-range torque. Power doesn’t do you much good on the street when it happens at 6,500 rpm. What kind of camshafts did they use in the old days? Let’s talk more about cam selection and choices. In the old days, we had two basic choices – mechanical and hydraulic flat-tappet camshafts. We went with...
Common questions

What to do if you lose your car keys and have no spare?

What to do if you lose your car keys and have no spare? If you have a modern car and your car keys are lost and have no spare, you have to contact the dealership to make new car keys and reprogram them to your car’s immobilizer system. You may have to tow the car to the dealership, depending on your car model. Here is a list of a few steps you should take if you lose your car keys. Where can I buy an after market car key? After-Market Key Fobs If your car is more than five years...