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#1
08-11-2009, 04:50 PM
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MAF sensor no start?
Hello. I have a 99 grand prix gt 3.8l bout 98000 miles. Never had any issue with engine before today. Driving to Pep Boys turn into parking lot car dies wont restart. no service engine light or nothing. Had them diagnose problem they told me MAF sensor was bad,needs wires and plugs and a fuel rail cleaning and seprentine belt. I unfortunately couldnt afford to pay the $848 they wanted to charge to do all the work. So I read somewhere online that if the MAF sensor is bad and you disconnect it the car will run fine. Thats what I did and it starts and runs fine except the service engine light is on since I unplugged the MAF sensor. How long can I drive the car without the MAF sensor connected? Will driving it disconnected cause other problems or do harm to the engine?Thanks for any responses.
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#2
08-11-2009, 06:33 PM
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Re: MAF sensor no start?
having the MAF disconnected is not going to effect drivability. it will throw fuel trim off a little, and you will notice a loss of MPG. wouldnt suggest driving it like that forever though
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#3
08-11-2009, 06:58 PM
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Re: MAF sensor no start?
 Add to that a little erratic idle until the engine warms up. I ran with the MAF sensor disconnected in my GTP for over a week until the part came in.
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'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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#4
08-11-2009, 08:08 PM
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Re: MAF sensor no start?
Not that I would recommend it, per se, but I had to drive mine without the MAF connected for almost six months. Once I put a new one in, it started up and drove perfectly. The Check Engine light even went out on its own after a short while.
Now if I can only figure out what the hell is up with all the rust at my jacking points!
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Goethe once said, "A useless life is an early death." In Goethe's terms, many of us are already dead. ------------------------------------------------- 
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#5
08-11-2009, 11:33 PM
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Re: MAF sensor no start?
Thanks so much guys. I ahve had the car since new and plan on keeping it for hopefully at least 5 more years. I want to put an AC Delco MAF sensor in and need some time to get enough money since its more than double the Cardone.Read alot about people having to replace aftermarket ones several times.
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#6
08-12-2009, 12:37 AM
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Re: MAF sensor no start?
Good Decision.
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-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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#7
08-12-2009, 08:48 AM
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Re: MAF sensor no start?
Just a tip, don't buy the AC-Delco remanufactured version (part# 213-3428), as it is a Cardone in a Delco box, stick with the new AC-Delco part #213-4337.
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 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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