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Some Recent Car Questions And Answers:

• Fuel Leak Recall On Chevrolet Cobalt And Saturn Ion Lately at the dealership we have seen another rash of problems on the Chevorlet Cobalt and Saturn Ion vehicles. These are basically the same car, just different nameplates. What the customers are complaining about is a fuel leak at the fuel tank area, or a strong smell of gasoline coming from under the car. The ...
• 2004 Nissan Maxima Rolling Noise When Driving My 2004 Nissan Maxima sounds like it has a rolling water noise when I take off! What can this be? ProTech You may be a bit low on coolant due to a leak or evaporation. That lets the air in the system cause gaps that the coolant rushes through on turns or acceleration. Usually you hear it ...
• 2001 Chevrolet Silverado Cranks But Will Not Start My 2001 Chevy will not start. I replaced the fuel filter and I can hear the fuel pump running. Could it still be the fuel pump? Mechanic JK: What model Chevrolet is this? Any warning lights on the dash? Sorry, it’s a Silverado. No lights, and the diagnostic tool shows nothing. OK. Most likely not the fuel pump. If ...
• 4.2L Engine Sensor Locations Typical engine data sensor locations for the 4.2L straight six cylinder engine in many GM SUV’s and small trucks. Intake Air Temperature Sensor (IAT) Throttle Body (under air inlet) Electronic Throttle Control MAP Sensor Secondary Air Injection Diverter Valve Powertrain Control Module (PCM) Exhaust Cam Actuator Solenoid Fuel Pressure Regulator Exhaust Camshaft Position Sensor
• What Lube Goes In My Buick Roadmaster Rear End? What kind of lubricant does the 94 Buick Roadmaster Estate Wagon use in the non-slip differential? ProTech: It uses regular 80-90w gear oil in the rearend, but there is an additive for the limited-slip unit which you can get at any GM dealership. I used a 90 weight but the clutches are sticking, I believe. Do you know ...
• 2001 Pontiac Grand Prix Service Engine Light P1404 The service engine soon light came on and when the diagnostic code registered a P1404 number. What is that? I had the converter changed several months ago because it was plugged. ProTech: What year and model vehicle do you have? 2001 Pontiac Gran Prix GT with 3.8L V-6. The EGR valve? Ok, that code is for the EGR valve, ...
• Buick Winshield Washer Pump Motor Not Working 2000 Regal LS. Windshield washer system is not working. The washer pump won’t function. The motor won’t run when installed. I have 12 volts at the washer motor electrical connector when the “on” switch is activated. The washer motor works when hooked directly to a 12vdc power source. The motor draws 1 amp when running ...
• 2004 Chevy Impala Temperature Gauge Goes From Half To Full Hot Hi there. this is a cooling system issue. I just purchased a 2004 Chevrolet Impala basic. There is only water. No coolant in the radiator. The temperature gauge fluctuates from half way mark to the 3/4 mark. However when I stick a calibrated bio-thermometer in the over flow tank the temp only reads 118 F ...
• Lift Kit and Dodge Durango ABS Brake Problems I just replaced the front drive shaft on my 2001 Dodge Durango, now my ABS light and brake light keep coming on. Does this have anything to do with the drive shaft. ProTech: Is this the shaft between the transfer case and the front differential, or one of the front wheel drive axles? Yes, between the transfer case ...
• 2005 Chevy Trailblazer Runs Rough at Idle With No Compression #1 cylinder in my 2005 Trailblazer has no compression. I applied air pressure and it sounded like the exhaust for no air came out f the throttle body. There was air coming out of my # 5 cylinder with the #1 at TDC. wanted your opinion on if you think it is an exhaust valve ...