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#1
01-06-2004, 12:07 AM
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Boost Meter
Hi, my car yesterday was Hard to Start again, and sometimes turn off. I've been seen the bost meter gauge and sometimes when the cold starts the gauge meter was too lights on, maybe on max. I have some problem with the boost meter, wich sensor works with the boost meter? IAC, TPS??... the car has a new MAF.. maybe can be the Oxygen sensor?, the car turns off while i drove by the street. Help me
MoshimoGTP 
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#2
01-06-2004, 11:18 PM
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Re: Boost Meter
The Boost meter just shows you positive pressure applied to the intake air entering the engine. IF the SC is working properly it would not affect your idling or normal car operation. When hard starting your car the meter could show a couple of ticks but that is normal. The input for this gage comes from the PCM itself no special sensor out there.
IF you install a Mechanical Boost gauge then on top of the SC there is a small valve that has positive and negative boost depending on driving conditions. But this valve has nothing to do with the OEM gauge you have on the trip computer. And has nothing to do with hard starting. Do you have spark on the plugs? Do you have enought flue arriving to the Fuel Injectors? Looks like you have a fuel delivery problem. The MAF and O2 sensor control the Air/FUel Mixture and determines how rich or lean it will be depending on car driving conditions. If any of these sensors are not working properly or the Fuel Pump is not delivering enought fuel then you might have the problems you are describing there...
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#3
01-07-2004, 12:02 AM
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Re: Boost Meter
I will diagnose my car this Friday, but i think is the O2 sensor, i will replace it. I will send you a post with the results. Thanx. I hope has a good diagnose.
Happy New Year!
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#4
01-09-2004, 10:11 PM
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Re: Boost Meter
Today, i drove my car and the boost meter doesn't works, and the SES Light is on. What can be?,
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#5
01-10-2004, 10:31 PM
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Re: Boost Meter
Today my car was diagnostiked and are 6 codes on PCM, but the 6 codes was caused by MAF Sensor, the codes was cleaned by the OTC Diagnose Tools and the Codes was cleaned. I've cleaned my MAF Sensor and the SES Light come off. I've been changed the Oil (CastroL GTX 40) and the spark plugs to Autolite 104's at .055' gap. The car is working fine, like new.
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#6
01-10-2004, 11:28 PM
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Re: Boost Meter
Everything os ok except the GTX40 Castrol. YOu should use 10w40. Remember that the lubrication canals on the engine block are really thin and if you use thick oil it will run dry for a longer time period
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