Tag Archives: Sensor
2001 Chevrolet Impala Has No Brake Lights
2001 Chevy Impala rear brake lights are not working. I do have the 3rd brake lights. All of the bulbs are good. I bypassed stop light switch and have replaced turn signal switch. I have checked the connections and they seem ok. Could the four way flasher switch be bad ?? Turn signals do work fine. Answer: Did you check all the fuses? Just need to…
1996 Buick Riviera 3.8L Hesitation and Engine Light
I have a 1996 Buick Riviera Supercharged/3.8L V6. Engine hesitates around 1800 RPM’S & then accelerates fine. I have replaced the following: Fuel Pressure Regulator, air filter, air intake sensor, PCV valve, spark plugs and wires, MAP sensor, idle control sensor, Mass airflow sensor and the purge control valve. I have a Check engine light on with code PO102. The light goes off at times &…
1997 Pontiac Grand Prix Engine Overheating
Hello first time here, just looking for a little help or a lot, well here is my issues. I purchased a 1998 Pontiac Grand Prix gt 171k. It had a blown headgasket, so did all repairs, valve job, new water pump, ect sensor, t-stat, upper and lower hoses, replaced radiator not new but good. Also all new gaskets. Car fired right up. Sounded good got to…
2002 Chevrolet Malibu Has A Very High Idle
2002 Chevy Malibu w/3.4L idles @3,000 rpm. The TPS, PCV, fuel filter, fuel pump assembly, and charcoal canister was replaced after vacuum hoses were repaired. What else could cause this problem? Well really the only thing that will do that would be a bad throttle position sensor, or a major vacuum leak. A stuck open idle air control valve can cause this, but it would…
2002 Pontiac Montana Cuts Off At Higher RPM’s
2002 Pontiac Montana 3.4L OHV had oxygen sensor code but replaced it and cleared. Head gaskets were leaking as well so replaced (milled heads, pressure tested, valve job, replaced 4 bent intake valves), also replaced plugs, wires, coils and ignition module and O2 sensor, cleaned throttle body. Car cuts out at a specific RPM in relation to how warm the engine is, when cold there…
1996 Toyota Corolla Has A Low Idle
I have a 1996 Toyota Corolla 1600 cc which started to rev very low on start up to the point that it would cut out. A code reader showed a coolant temperature sensor code so i replaced it . Now when I start the car is does rev higher but not as high as i think it should and remembering it doing. After a period…
1996 Pontiac Firebird Engine Code P0151 Oxygen Sensor
The engine light came on in my 1996 Pontiac Firebird with a 3.8 engine. The code is P0151. Is this an oxygen sensor. If so which one and how do I change it? ProTech: Yes that is a code for an oxygen sensor that has low voltage. You probably need to replace it and you’ll be fine. The code is for Bank 2 Sensor 1,…
Hyundai Elantra Overheats and Stopped Running
Question: I have a Hyundai Elantra which stopped running. When I had it towed to the Hyundai dealer, they told me that the head gasket was blown. They indicated that the upper and lower radiator hoses had been reversed at the thermostat housing causing air to be trapped at the front of the housing and the coolant temperature sensor does not read trapped air, causing…
2000 Oldsmobile Alero Won’t Go When Hitting The Gas
I changed the mass airflow sensor and o2 sensor in my 2000 Oldsmobile Alero but when I crank it up it runs till I push the gas. What is the problem? Would you know? Mechanic JK: Hi Jerry. Can you clarify your problem. What do you mean when you say it runs till you push the gas? You can crank it up but when you…
1996 Dodge Dakota Speedometer Not Registering
I have a 1996 Dodge Dakota and my speedometer isn’t registering. I’ve replaced the speed sensor and it still doesn’t register. ProTech: You could have a faulty speedometer, which would require replacement of the instrument cluster. Or there could be a wiring problem somewhere between the vehicle speed sensor and instrument panel gagues cluster. OK, cause all the other sensors register in the cluster. That…
Cost To Replace Buick 3800 Crank Position Sensor
Hello? I have 2001 Buick LeSabre. I want to replace the crankshaft position sensor. Do you know how much does it cost in terms of labor? ProTech: Which engine do you have in your Buick? V6 3800. It seems it has two CKP sensors, 7x and 24x. I am guessing the 24x is bad. There is only one crank sensor. It produces two different signals.…
1999 Oldsmobile Cutlass Engine Light and Transmission Problems
Hey I have 1999 Oldsmobile Cutlass 3.1 liter vin J motor. When I go to accelerate up a hill the car kicks in out of overdrive(rpms surge between 2500-3000.) Any idea what it could be? ProTech: It sounds like the beginning of a transmission problem if it’s hunting for gears on an incline. I just had transmission replaced. The one in it now has 25000 miles…
1995 Buick Stalled and Won’t Start After Replacing Intake Manifold
Hi ,I’m new to the world of fuel injection and sensors such as a knock sensor. I have a 1995 Buick Century with a 3.4L Pontiac engine. I used the 3.1L intake manifold system and have been driving the car for several months now without any problems till 2 nights ago, I was doing nearly 10mph when the car died without any type of warning.…
2007 GMC Sierra Burns Oil and Idle Problems
2007 GMC Sierra with 50k miles has started to use oil, could this be a PCV problem? There have been problems with oil consumption on those engines. Mainly a piston ring problem, but there is a service bulletin to attempt a correction before replacing pistons and rings, which is a big job. Do you have a number or date? Just a second and I will…