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Terrance lynn Posted on Oct 11, 2013
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95 buick riviera supercharged smells like gas from the rear and the car takes awhile to start when cold....please help

  • 2 more comments 
  • Terrance lynn
    Terrance lynn Oct 11, 2013

    Will this cause the car to hesitate when running.

  •  Russ Hill
    Russ Hill Apr 16, 2014

    both can cause this. low fuel pressure ( air getting in the line from a cracked fuel line weak pressure switch) clogged up air vain in the inlet could be lower air line from top of engine feed. idler blocked ( ruff idling or slow uptake in speed) manifold air leak or breather lines these go to the valve controls egr and fuel pressure regulator. you can check most of these with carb cleaner spray around the engine, any change in engine speed or stalling then there is a fault there.

  • David Gerzseny
    David Gerzseny Apr 16, 2014

    Check the hose going to the evap cannister to see if it is off or rotted out. The canister is by the tank usually by the rear fender and is a black plastic box that collects vapors when you fill your tank.

  • David Gerzseny
    David Gerzseny Apr 16, 2014

    I might add that also runs on vacuum which will affect the engine. Also check the fill pipe for rot and make sure the cap is on tight. A loose cap or one that is not sealing properly will set off a check engine light also. When you put the cap on make sure you "click" it several times.

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  • Contributor 26 Answers
  • Posted on Apr 15, 2014
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Possibly a faulty idle air control motor. Can you slightly push on the accelerator pedal when cold and it be easier to start? Also, could be carbon build-up in the throttle plate.

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  • Buick Master 4,057 Answers
  • Posted on Oct 11, 2013
 Russ Hill
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There maybe a leak in the fuel line and it is not getting enough pressure any gas (fuel) smells at rear should be check as soon as found. check fuel lines on top of tank, they the first point to split. also at any joint that is metal in the fule line.

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5 Related Answers

Hubbyof2

Jeffry Williamson

  • 5 Answers
  • Posted on Feb 16, 2009

SOURCE: 95 buick riviera supercharger

you can not put a regular 3800 intake in place of the 3800 super charged engine,the compression ratio is lower than the regular 3800 engine.......!

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Anonymous

  • 3533 Answers
  • Posted on Mar 20, 2009

SOURCE: Speed) when i push the gas pedal it wont take off fast.

check the EGR valve and the vacuum lines and for any GM parts try Schram auto and truck parts 1-800-292-1032

Anonymous

  • 87 Answers
  • Posted on Nov 07, 2009

SOURCE: 95 riviera wont start

your key has a resistor built in (some call it a chip but it is nothing but a resistor) there are only about 10 different ohmages . On my 95 riviera I still had the key but it was worn. I went to radio shack, measured the resistance of the keys 'chip' and bought a couple of resistors to match the total needed, soldered them in line and bypassed the key "reader". No more problem. Maybe you have the same trouble. One "Pro" said ... "It's not a matter of 'if', but 'when' all GM products in that age group will fail in the ignition security and need attention.

Patrick Rayome

  • 1757 Answers
  • Posted on Mar 04, 2010

SOURCE: 95 buick riviera supercharger fan belt diagram

Sorry for the delayed response.
CLICK
on the following LINK. It has the Belt Diagrams including the Supercharger you will need.
If you would: Before Clicking: Let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!
Again my apologies...
Thanks.
http://www.2carpros.com/car_repair_information/year/1995/make/buick/model/riviera/1995_buick_riviera_drive_belt_routing_diagram.htm

Anonymous

  • 31 Answers
  • Posted on Jul 04, 2010

SOURCE: can i still drive a 95 buick riviera with a bad

if your supercharger sounds like tumbling rocks, it is the plastic coupler between the nose cone and the charger body; take off your serpentine belt; chances are the pulley has some play in it but it turns freely; the replacement coupler is a cheap fix; what gets a lil pricey is the labor to replace it... the buick has an alternator bracket that has to come off before you can take the nose off of the supercharger... dont forget to drain the oil from the nose cone with a spray bottle nozzle

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My 95 riviera supercharged smells like gas fumes from the rear...see no leaks...on cold start car takes awhile to start...no check light on either.Please help

A hose may have slipped off the vapor canister, not sure where it is but probably on the drivers side somewhere.
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((My thoughts: cold START valve IAC at very bottom))

Plenty of places will do FREE diagnostic code reads.

I would rather suggest it be a muffler shop than
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AUTOZONE will likely make you buy OXYGEN
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What you are describing sounds (from an old
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Do not buy OXYGEN SENSORS....

Know your prices before waltzing into any
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Can i still drive a 95 buick riviera with a bad supercharger

if your supercharger sounds like tumbling rocks, it is the plastic coupler between the nose cone and the charger body; take off your serpentine belt; chances are the pulley has some play in it but it turns freely; the replacement coupler is a cheap fix; what gets a lil pricey is the labor to replace it... the buick has an alternator bracket that has to come off before you can take the nose off of the supercharger... dont forget to drain the oil from the nose cone with a spray bottle nozzle
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95 buick riviera supercharger fan belt diagram 3.8l

Sorry for the delayed response.
CLICK
on the following LINK. It has the Belt Diagrams including the Supercharger you will need.
If you would: Before Clicking: Let me know if this helped you, or if you have any additional information or questions. Feel Free to contact me at FixYa.com!
Again my apologies...
Thanks.
http://www.2carpros.com/car_repair_information/year/1995/make/buick/model/riviera/1995_buick_riviera_drive_belt_routing_diagram.htm
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Speed) when i push the gas pedal it wont take off fast.

check the EGR valve and the vacuum lines and for any GM parts try Schram auto and truck parts 1-800-292-1032
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95 buick riviera supercharger

you can not put a regular 3800 intake in place of the 3800 super charged engine,the compression ratio is lower than the regular 3800 engine.......!
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