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#1
03-29-2009, 03:14 AM
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1998 Regal LS won't start... totally dumbfounded..
Hello everyone,
I'm having trouble with my 1998 Regal LS. Its a 3800, non superchared. The mileage of the vehicle is unknown. The car does not want to stay started. Right when the motor fires up, it dies in a matter of seconds. If I try to start it up again, it will turn over, but not start up. If I give it gas while starting the car, it will start fine and stay running, but once I let off the gas, the car dies. The car has new plugs and wires, it has spark and is getting fuel pressure. All voltages are fine on the censors(most censors I could find at least). The car did have Check Engine Light on. I got the codes tested and the comp brought up 4 codes. I don't remember what the codes were, but all 4 codes were linked to some kind of EVAP malfunction. I had a friend take a look at my car and he said that my MAP censor was full of oil.. He left the MAP censor off and pulled a hose from the EGR valve and the car starts up fine... I don't know what could be? I'm totally stumped.. Any advice anyone? 
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#2
03-29-2009, 09:40 AM
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Re: 1998 Regal LS won't start... totally dumbfounded..
Pulled a hose from the EGR Valve? All it has is an electrical connector. It is electronic not vacuum operated. How much oil is on the MAP sensor? Some is normal since the PCV valve is is located under it.
Have you checked fuel pressure? What are you getting spec wise?
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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 Last edited by BNaylor; 03-29-2009 at 10:35 AM.
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#3
03-30-2009, 09:32 PM
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Re: 1998 Regal LS won't start... totally dumbfounded..
Quote:
I didn't plug a fuel gauge in, but I pressed the pressure valve and gas squirted out, so i'm thinking it has enough pressure. I brought it to a shop today, so i'll see what they say tommorrow..
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#5
04-01-2009, 11:33 PM
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Re: 1998 Regal LS won't start... totally dumbfounded..
Okay, so I got it out of the shop
earlier today. The problem was a really dirty throttle body and Idle Air Control valve. I notice a big difference in performance now.
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