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Should I change all my spark plugs at once?

Should I change all my spark plugs at once? Q: Should You Replace All Spark Plugs At Once? A: Yes, as a general rule, it's better to replace all plugs at the same time to ensure consistent levels of performance. How often do you change spark plugs on a Chevy S10? Chevrolet recommends that you change the spark plugs in your truck at least every 30,000 miles. Buy replacement spark plugs from an auto parts retailer. Request pre-gapped plugs to avoid the need to gap the plugs before installation. The S10 is equipped with a four-cylinder or six-cylinder engine. Where...
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Why did the C4 Corvette go back to MAF?

Why did the C4 Corvette go back to MAF? With the 1994 model C4, they went back to the MAF system. Note that MAF based systems are far more accurate since they measure air flow directly whereas the MAP system calculates air flow indirectly. Errors and vacuum leaks can throw the calculation off and Corvette returned to the MAF system beginning with the 1994 C4 (with a MAP backup). Why was 1980 such a bad year for corvettes? Whoever signed off on this rolling monument to bad taste should have been hanged, or better yet, forced to drive one. It...
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What kind of brakes does a Chevy HHR have?

What kind of brakes does a Chevy HHR have? Topics and information on the 2008-2010 Chevy HHR SS Turbocharged models. Service/Repairs specific to the SS. Turbo-Brembo Brakes-2.0 Engine-Limited Slip Differential-Programmable Display-MU3 Transmission What did you do to your Chevy HHR? What happened to the car of... Discuss anything related to the Chevy HHR that doesnt seem to fit into the more specific categories below. What Did You Do To Your HHR... Discussion HHR maintenance tips ranging from oil change intervals to brake pads and everything in between. any recommendations for car... Is the Chevy HHR SS a pickup truck? These...
Common questions

Where is the oxygen sensor located on a 2005 Chevy Silverado?

Where is the oxygen sensor located on a 2005 Chevy Silverado? There are four O2 sensors in 1999 to 2006 Silverado models: two upstream and two downstream sensors. The upstream sensors are located between the exhaust manifold and the exhaust, while the downstream sensors are located after the catalytic converter. What causes a bad O2 sensor on a Chevy Silverado? While a rough running engine can be a sign of a bad oxygen sensor, it is often a sign of a misfire as well. Often enough, there won’t be any noticeable signs of a bad oxygen sensor. You’ll go to...
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Is the emergency brake light always on on a Chevy truck?

Is the emergency brake light always on on a Chevy truck? There are three brightness levels of the dash brake indicator light on RWAL equipped trucks. Watch the light very closely and apply the parking brake. Did the light get brighter? What to do if the dash brake light is on? If the instrument panel light is on, to retrieve RWAL codes connect a jumper wire between terminal H and terminal A of the ALDL connector with the key on (engine not running). Watch the dash brake lamp and count the blinks. Sometimes RWAL system send out a phantom blink...
Easy tips

When do you need to replace a blower motor?

When do you need to replace a blower motor? If you don’t feel any airflow coming out of the vents, it may mean that a problem with the blower motor has developed to the point where the component is entirely inoperable. In this case, you’ll have to replace it with a new motor. How do you take a blower motor out of a car? The blower motor assembly should slide out, allowing you to slip off the HVAC vent connections. Finally, remove the electrical power connector, which can be pulled out by hand or by carefully using a small flathead...
Easy lifehacks

How much fuel pressure should a lb7 have?

How much fuel pressure should a lb7 have? Note that the fuel rail pressure is at 24,053 psi. As stated previously, the fuel pressure with the Ignition relay unplugged needs to be a minimum of 2500 to 3500 psi during cranking for the return rate test results to be valid. What kind of pump does a 6.6L LB7 Duramax use? Lack Of A Fuel Lift Pump The 6.6L LB7 Duramax uses a high pressure common rail fuel system with direct injection. A major part of this fuel injection system is the CP3 fuel injection pump. How to install a Duramax...
Easy lifehacks

What does a diagnostic code on a car mean?

What does a diagnostic code on a car mean? Mechanics can explain to customers what the diagnostic trouble codes mean, and how they should be repaired. Vehicles today are capable of relaying thousands of diagnostic trouble codes to anyone with the equipment to read them. These codes are primarily referenced by auto services. What do trouble codes mean on a car? What are Diagnostic Trouble Codes Diagnostic Trouble Codes (DTC) are the codes generated and stored by the Powertrain Control Module (PCM) when the Onboard Diagnostic (OBD) system indicates a malfunction. Simply put, when your car system diagnoses that something...
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What causes a p0306 Chevrolet cylinder 6 to misfire?

What causes a p0306 Chevrolet cylinder 6 to misfire? P0306 CHEVROLET Possible Causes Faulty spark plug 6 Clogged or faulty fuel injector 6 Faulty ignition coil 6 Fuel injector 6 harness is open or shorted Fuel injector 6 circuit poor electrical connection Ignition coil 6 harness is open or shorted What does the p0306 code on a Honda Accord mean? The P0306 code means that the cylinder 6 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 6. If the...
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Is it possible for a fuel filter to produce white smoke?

Is it possible for a fuel filter to produce white smoke? Yes. If the fuel is contaminated with water or some other foreign material it is possible that it will produce white smoke. The best way to test the fuel is to pull the filter and put it in a clear glass. Wait a few minutes and see if there is any separation. Can air in fuel cause white smoke? Yes. This is another common cause of white smoke. Why does my engine only run with choke on or pressing primer? Inspect the carburetor mounting for loose hardware. Inspect the...