Question about 1993 Buick Riviera

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Hard to start and won't stay running

Buick riviera is real hard to start and won\t stay running. cuts off, like no fuel is getting to engine

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Put fuel in it,then check the fuel pressure with a gauge. The tank unit maybe giving a false reading.

Posted on Apr 19, 2009

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1 Answer

1990 buick riviera cranks but wont start

Check your fuel pressure; if it is within specs, have a muffler shop test your back-pressure from your catalytic converter. There are other things that can cause strange problems like this but it is a process of elimination.

Mar 12, 2014 | 1990 Buick Riviera

1 Answer

Random shutdown

check battery connections at battery and starter ends. Check fuel filter, fuel pump relay, or maybe fuel pump is too weak to run engine at speed or under load. Can be coil or igniton module, map sensor, crank/camshaft sensors. Your description is pretty generic, so it possibly could be one of those "search till you find it" type repairs. Keep this in mind: In order for an engine to run it must have three things. Fuel, air, and spark. Air is easy to get. Fuel problems could only be the relay, pump, fuse, injectors. Spark is more hard to get, as you also need spark at the right time. So check igniton last, it gets real costly as you go. Coil, ignition module, any and all sensors ect.

Dec 16, 2013 | Buick Cars & Trucks

1 Answer

Car won't run

Yes it could be the things you mentioned, and also low fuel pressure.
Have you checked fuel pressure at the injectors with a gauge ?

Jan 14, 2013 | 1996 Buick Riviera

1 Answer

Sputtered out and now it won't stay running; dies when put in gear.

Mass air flow , crank sensor . I wouldn't discount anything . Having a scan tool that can view engine sensor data would be a great help too , testing fuel pressure and flow and back pressure test the exhaust .
058 Engine Hard to Start or No Start Lean Fuel Condition
055 Engine Hard to Start or No Start Scan Data for EGR
057 Engine Hard to Start or No Start Ignition Module Test
007 Catalytic Converter Testing

Jun 10, 2017 | 1999 Buick Regal LS

1 Answer

1992 buick riviera won't stay started

Whether it is an electric problem, or gas problem

Jan 16, 2012 | 1992 Buick Riviera

3 Answers

'95 Buick Riviera, SuperCharger. Car won't Start up!

unplug the cam sensor behind the water pump pulley; see if it starts; if it does, shut off engine; replace both cam and crank sensors because crank sensors go out in these engines

Apr 25, 2010 | 1995 Buick Riviera

2 Answers

I have a 1986 Buick Riviera. I've replaced the fuel filter and fuel pump also the air flow but the car still won't stay started I spray starter fuel it'll run for a minute then die out what could be the...

Make sure your getting power to the fuel pump.Check the connectors and the terminals at the fuel pump connections.Make sure you have good grounds to.If it runs when you spray the it and it runs the electrical is good.

Nov 23, 2009 | 1986 Buick Riviera

1 Answer

1993 buick riviera hard to start and won't stay running

Check your gas filter, chances are it's clogged and needs to be replaced.

Apr 18, 2009 | 1993 Buick Riviera

1 Answer

1997 riviera runs like it wanna cut off

have you swap the fuel filter it might just be a dirty one or maybe your air filter hose might have a puncture in the air boot

Apr 11, 2009 | 1997 Buick Riviera

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