Tag Archives: Exhaust

Find answers to car or truck exhaust problems. Auto mechanics give free help and advice online. Read past questions and articles or post a new one.


Nissan Altima PCV valve

I replaced a PCV valve on my wifes 2002 Nissan  Altima. and now it smokes out the exhaust when i start it up. when i drive it down the road and it warms up it stops smoking. It did not do this with the old PCV valve in it. ANSWER: You did not tell us the reason you replaced it. Was it trying to repair some problem…

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My Dodge Is Knocking – Intrepid Transmission Problem – Neon Smokes

Dodge Engine Knocking Live Chat: I need help on a 318 that started knocking, then I shut it. Off then pulled the plugs added some Marlves let it sit for a few days and now cant get it to turn. What should I try? Answer: Seems like you’ve had an internal engine failure. During the time it was knocking and then after shutting it off…

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1997 Pontiac Grand Am Quad Driver And Oxygen Sensor Codes

If I put my 1997 Pontiac grand Am shifts into gear too soon after starting it, it sets a check engine light and i get the trouble code 26 -Quad Driver. I had the PCM replaced because of other problems that I still having. Car will not accelerate in reverse, gets bad gas mileage, has DTC 13,  goes slow climbing hills, and poor acceleration from a stop. I have already changed the oxygen sensor, spark…

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2001 Pontiac Grand Prix Check Engine Light

I recently replaced my EGR valve because the check engine light code came up on my car, along with that I also had to replace my catalytic convertor, from what the mechanic I went to said, is that the bad EGR valve caused the catalytic converter to clog, I don’t know how true this is because I recently talked to someone that said that a bad…

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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…

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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,…

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1998 Dodge Ram Burning Oil

I have a 1998 Dodge Ram Sport 1500 4×4 only 141000KM, it’s burning to much oi. I went 275km and had to add 2litres. Can anyone tell me what the problem might be? That is quite a bit of oil that the engine is burning! You could have a severe internal engine problem like a broken piston ring, or seized oil control ring on one…

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Check Engine Light Code P0300 On GM 2.2L and 2.4L

We have been seeing quite a few problems with the GM 2.2L and 2.4L engines. Mostly on model years 2005 through 2009. This engine is very common in the Chevrolet Malibu, Cobalt and HHR. As well as the Pontiac G5 and G6. This is the 4 cylinder.  The problem I am going to talk about today is a check engine light and misfire codes. Car…

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1996 GMC Sierra Air Compressor Clicking

Why does my air conditioner compressor engage and click loudly when heater is on. ProTech: The A/C compressor will run when you have the heater on defrost to take the moisture out of the air in your car. If it did not run, you would have water running down the inside of your windshield. This is a normal condition. What would be causing the clicking…

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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, which directs exhaust gases back into…

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2000 Saturn Has Engine Noise and No Oil In It

My 2000 Saturn SL2 is making noises when I accelerate. I took it in today to get an oil change and it was bone dry. What can I do to prevent loss of the car? I am afraid there is engine damage. ProTech: Well, if it went long enough without oil, you could have done permanent engine damage. After the oil change, was the noise…

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Which Catalytic Converter is Bad on My Ford F-150

2004 Ford F-150 Lariat 4×4 exhaust pipe exiting resonator on driver side warm. exhaust pipe on passenger side exiting resonator hot which catalytic converter is bad? and can you clean out the carbon? ProTech: How much of a heat difference is there? There is a significant amount of difference. drove truck for about 30 min. and was able to hold hand on exhaust pipe driver…

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Knock In 2002 Chevy Malibu Engine

Why would a 2002 Chevrolet Malibu with a 3100 knock through the intake only when opening the throttle body. Protech: Hello, is the sound like an engine knock or valve train noise? .Or more like a backfire. Like metal hitting the inside of intake but only when giving it gas. its not a ping or backfire. OK, that is a valve train issue. You could…

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