2001 Cadillac fuel problems

Asked by HottRoddin Nov 23, 2021 at 04:22 PM about the 2001 Cadillac DeVille DTS Sedan FWD

Question type: Maintenance & Repair

I relaced fuel pump and car starts runs for 2 to 5 seconds then dies  
Something near air intake A fan noise is noticed kinda whinning noise and
regulator is creating sound  I tried stopping fuel from returning but same
senerio  Please help N Thanks

2 Answers
38,905

beatupchevy answered 2 years ago

There may be 2 relays for the fuel pump . one primes the system to start the other is for running , your experience may differ . Check for proper grounds at fuel pump .

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Guru9H85Q3 answered 2 years ago

" Car starts runs for 2 to 5 seconds then dies"...? ChecK these possible causes and special diagnostic tools required: Restricted Exhaust System/faulty Catalytic converter. Insufficient Fuel pressure at rail/injectors. Electrical connections loose/Malfunctioning at Ignition System. NEG Battery Connection/Cable to engine loose/corroded/faulty. Throttle body, Intake manifold gasket vacuum leak. Thanks.

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