Tag Archives: Cylinder

Car questions about everything from ignition cylinders to engine cylinder heads and gaskets. Ask an expert mechanic and get answers.

2004 Pontiac Sunfire Misfire On Cylinder Four

I have a 2004 Pontiac Sunfire, and its got a Valve 4 misfire. I have changed the spark plugs, plug wires, coil pack and distributor. What else can I do. I think you mean cylinder 4 misfire, but that’s ok. Since you have changed most of the ignition components, I would say the misfire is not…

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2001 Pontiac Grand Prix Chugs And Hesitates

Hello. I have a 2001 Pontiac Grand Prix. When i press on the gas pedal, the car sort of chugs. I always use good gas. This started happening more when it is raining or very damp outside. Don’t know if that is just coincidence or not. With the problem happening more when it is damp…

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1998 Buick Regal Blowing Smoke And Knocking

I have a 1998 Buick Regal and it has a knock coming from the engine and dies when driving. Also it starts up very rough and won’t go past 4000 RPM’s. Possible timing issue? It blows out black smoke too. Mechanic JK: OK. An engine knock is not usually a timing issue. And black smoke is…

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2001 Toytota Has Several Warning Lights and Burns Oil

I have a 2001 Toyota 4-Runner 2001. The TRAC OFF, Check Oil, and VSC TRAC light came on. Is it safe to drive until I can get it to a mechanic? The main thing I would worry about is the ‘check oil’ light. Make sure it’s full before you drive the vehicle, or you can…

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Oldsmobile PCV Full Of Oil After Intake Gaskets Replaced

Is a wet and oily PCV valve & housing internally a normal condition on the 3800 V6 or is there something wrong? I just replaced intake manifold gaskets along w/ new upper intake plenum (includes new PCV valve + housing), on 1997 Oldsmobile Regency 3.8, due to gasket failure & coolant in cylinders / crankcase.…

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1996 Cadillac Passkey Problem

My 1996 Cadillac says theft system problem and car will not start. ProTech: You probably have a bad ignition cylinder in your Cadillac. Can I take care of that on my own? Are you capable of disassembling the steering column? Yes. It also requires quite a few special tools. But if you are capable, go…

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Jeep ABS And Rear Brake Lights Problems

I was driving with my emergency brakes up and my ABS light came on. I checked and my brakes fluid was low I put some in but the light is still coming on. ProTech So, you were driving with the emergency brakes applied? It was up. The ABS light doesn’t have anything to do with…

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2002 Chevy Impala Ignition Replaced But Still Won’t Start

I have a 2002 Chevy Impala and had the ignition replaced and still having problem with starting, security light still comes on. Ok, what exactly did you have replaced? The ignition switch. Alright, the switch itself has nothing to do with the security light coming on. You most likely need a new ignition cylinder and…

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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…

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1999 Pontiac Montana Check Engine Light Blinking

I have a 1999 Pontiac Montana code p0306 misfire detected. Check engine light blinking. Changed spark plugs, wires, ignition coil and put in new fuel filter.  We checked compression and it’s good but still the same. What else can I do to fix the problems that all happened when i fixed a gas leak. Mechanic JK What kind of…

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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…

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1999 Silverado Security Light and Won’t Start

I have a Chevy Silverado 1999 turns over but no fuel and no spark changed fuel pump cam sensor Crankshaft sensor still nothing some one told me I need to have my key reprogrammed. ProTech: Is the security light on? Yes. Then that is your issue. The theft deterrent system will kill the fuel enable…

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