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4

Your Golf should have two fuel pumps: one for the injectors (high pressure) and one which feeds the injector pump (low pressure). The low pressure pump would reside in the fuel tank. I'm thinking the low pressure pump may be going bad, as in getting weak. If it were starting to overheat, it may not pump fuel like it is supposed to and would cause the loss of ...


3

I had the same problem with my car last year, problem only occurred when idling and not while driving. This is why I immediately suspected the IAC. Removing and cleaning the IAC did the trick for me. Hope this will help you.


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(EDIT NOTE: I made a bad assumption about the HEI distributor, so deleted all of that nonsense. Please do the following to see if it is an issue, though.) Please check the following: Take the distributor cap off so you can observe the rotor Put a socket on the crank shaft snout bolt (where the main crank pulley is at) Turn the crank clockwise until you ...


3

You need to go back and look at the firing order of the spark plug wires you installed. If you get two out of place on a four cylinder engine, you now only have two good firing cylinders, and depending on which two got switched, one of them may even be firing the cylinder at opposition to the rest, not allowing the engine to get anywhere close to operating ...


2

Possible Answers We were hoping for a little feedback regarding this issue prior to attempting an answer. A few things come to mind regarding the problem description and we'll run through a few of them for you. Regarding Stalling Fuel Line - Your fuel filter may be impeded and require replacement. Since you have not indicated this happens at higher ...


2

1) Does that diagnosis sound correct? Seafoam sounds like a good way to go, but in this case it isn't going to cure the ill. The throttle body itself needs to be cleaned. I found this video which should show you pretty much how to clean it (as long as your engine is the same as the G35 in the video). Since the engine has reusable gaskets, as long as you ...


2

There appears to be a similar case on the Cobalt forum, where compression test figures are reported to be around 220 psi, roughly double what you're reporting. If this is the case for your vehicle, it would seem that the problem is related to a lack of compression and not fuel, air or spark.


1

Sounds to me like the IAC valve (Idle Air Control Valve) needs to be replaced. It's not a hard thing to replace. The IAC opens and closes to allow air into the throttle body when the throttle blade(s) are closed (which is at idle). It might be dirty or have debris lodged in it which is causing it to act up. I've been able to replace them on older 2005 ...


1

This sounds like a problem with the Idle Air Control (IAC) valve. This valve is a small motorized gadget which helps maintain the idle in the engine. (NOTE: Not knowing what year your car is, I looked at the last year for the Protoge5, which was 2003, which does have an IAC.) You may be able to clean up the old one with some carb cleaner, which I would try ...


1

In case you had the engine off while the fans were on, your car was in the "ON" state, which powers all the electric systems of your car. The fans were consuming most of the power which have drained the battery very quickly. You've started your car right on time to retain just as less energy as was needed to get your engine running again. The smell you ...


1

The Problem can be with the engine not getting enough ventilation. Problem: In your car the ECU is programmed to raise the rpm when it detects a stall or the RPM dropping down so if there is problem with your air filter which is not allowing much air into the engine and causing a stall but not noticeable your ECU will fight it to keep it in working ...


1

The fuel filter is usually in a place which doesn't suffer from getting heated up. Plus it has fuel running through it which will help to cool it. If you think it's fuel pressure causing you issues, put a fuel pressure gauge on your vehicle and check it while running. If the fuel filter is old, go ahead and replace it as it will need it anyway.


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Usually when I hear what you are describing, I put the issue at the front end of the transmission, either with the front bearing or the carrier bearing supporting the input portion of the transmission. Here is my reasoning: Your description places the noise/vibration when the transmission is engaged in neutral, which means the clutch is engaged with the ...


1

You can actually insert programming scripts into your ECU. Palmer Performance has a variety of adapters and computer software. I know they have some kind of script library, or you could try replacing the computer. Have someone check your distributor. If it's throwing check engine codes, take off your valve cover and tighten the studs with a breaker bar but ...


1

If the car won't start, spray starting fluid into the air inlet, at the air cleaner and crank the engine. If it fires, then check the fuel pump and fuel quantity ground location inside the trunk (coming off the wire bundle to the fuel tank). if that has loosened, the pump and fuel guage will be intermittent and the car will be unreliable for no apparent ...


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On some vehicles the Throttle Position Sensor can be adjusted. You can loosen the screws and gently move the TPS until the idle speed changes. I do not recommend doing this.



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