- #3780 of 3823
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Re: Malibu MAXX- rear shades on the skylights [jmax4]
by flower50
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Oct 04, 2006 (10:56 am)
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Replying to: jmax4 (Jun 02, 2004 10:05 am)
I have the same problem - now they just droop. To me it is really a useless and nuicance.
I have a new problem - 2005 malibu max - yesterday check enging light comes on - car starts blowing smoke and smelling like gas. tow truck is called. service giving me the run around - says I have a blown engine due to my oil change one month ago from my competent mechanic. This is a lot of bull to me. Car is still under warranty "bumper to bumper" They say my engine might have seized because my mechanic never put oil in during the oil change. I traveled 1000 miles after that oil change never had a problem. no lights ever warned about low oil. car was fine until check engine light came on. only 11,000 miles on the car.
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- #3781 of 3823
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Re: Malibu MAXX- rear shades on the skylights [flower50]
by 3745
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Oct 04, 2006 (2:18 pm)
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Replying to: flower50 (Oct 04, 2006 10:56 am)
Check my posts #'s 3751 and 3753. The fuel pump on a typical GM vehicle is interlocked with the oil pressure switch. If there is no oil pressure the fuel pump doesn't run. So, no oil, no oil pressure. Car cannot run.
I cannot see that the new Malibu has not got the same setup. I think something else has gone wrong with your Maxx.
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- #3782 of 3823
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Re: Malibu MAXX- rear shades on the skylights [3745]
by flower50
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Oct 05, 2006 (7:13 am)
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Replying to: 3745 (Oct 04, 2006 2:18 pm)
Thanks for the input. However, yesterday I got a new diagnosis from the dealer. It seems the fuel injector was faulty and instead of spraying the gas it was pouring gas into one of the cylindars. Therefore, shutting down the engine. Supposedly the good news is that the engine wasn't blown. Everything is covered under warranty. They will also be replacing the starter and flywheel, since when they kept trying to start the car the starter broke and 3 teeth were broken off the flywheel. Just makes me wonder what other damage was done. Service can't give a reason for the fuel injector being faulty. I think something must have caused it. Who knows. I am happy that everything is under the warranty and hope I have no other problems in the long run related to this.
Thanks again for your input.
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- #3783 of 3823
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Re: Malibu MAXX- rear shades on the skylights [flower50]
by gonogo
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Oct 05, 2006 (8:27 am)
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Replying to: flower50 (Oct 05, 2006 7:13 am)
3 teeth broke off ring gear, sounds like hydraulic lock to me. The injector could have loaded the cylinder with fuel, liquid won’t compress.
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- #3784 of 3823
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Re:injector problem
by 3745
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Oct 05, 2006 (10:18 am)
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Replying to: flower50 (Oct 05, 2006 7:13 am)
This might not be a faulty injector and I would suggest caution here. The injectors are either open or closed while the engine runs. This opening and closing happens at a rapid rate. The amount of time open (mark space ratio) determines how much fuel is injected into the cylinder. The on-off pulses are fed to the injector by the computer. IF an injector driver transistor in the computer should short circuit, you will have a constant voltage on the injector coil thereby holding it open and flooding the engine.
The dealer should check if there is a constant voltage with ignition on at the injector terminals before installing a new injector. With ignition on and engine not running there should be 0volts. If there is voltage then the problem is in the computer. Injectors are pretty reliable these days. You would not want to flood your engine with fuel again so tell the dealer to take care.
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- #3785 of 3823
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Re: injector problem
by 3745
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Oct 05, 2006 (11:43 am)
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Replying to: flower50 (Oct 05, 2006 7:13 am)
On second thoughts, if I were testing that car I would pull the fuel pump relay before switching on after fitting a new injector. Then I would turn on the ignition. Then I would test to see that there is no voltage going to the new injector. If the new injector is being held open by a faulty computer it would not flood the engine again.
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- #3786 of 3823
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Re: injector problem [3745]
by e2helper
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Oct 05, 2006 (12:38 pm)
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Replying to: 3745 (Oct 05, 2006 11:43 am)
Just to clarify. The PCM (or ECM) in these vehicles provides a ground the injectors and so you will see a constant ignition voltage on the Pink wire. It is the ground which is provided and taken away.
Flooding engine. Oh I have seen that - hydrolock.
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- #3787 of 3823
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Re: injector problem [e2helper]
by 3745
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Oct 05, 2006 (3:07 pm)
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Replying to: e2helper (Oct 05, 2006 12:38 pm)
Thanks. The few GM schematics I have don't make that clear. BTW e2, regarding my no-heat problem. I took it to the dealer today. They have come to the conclusion that the actuator (motor) is defective. However, they did not have one on hand and had to order it so they will be doing the job next week. The car is still under warranty. Just as long as they fix it before winter is all I'm worried about.
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