Question about 1993 Buick Skylark

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93 Buick Skylark 3.3: WON'T START...new starter, fuel at rail, injector fuse and distributor/coil good; no fuel or smell of fuel at intake, can't get spark from plugwire held near engine.... plugs and wires? fuel regulator?

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Check the wires of crankshaft position sensor and if OK change the sensor.
i seen this problem several times on the same car.

Posted on Jul 19, 2009

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Posted on Jan 02, 2017

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My 1996 buick skylark has gas leaking into the oil. What is causing this?


The most common causes are a faulty injector or fuel pressure regulator.
If one of the injectors is not closing, it will allow liquid gas to flow into the cylinder and past the rings.
If the regulator fails, it will allow liquid gas into the intake.

Apr 20, 2013 | 1996 Buick Skylark

1 Answer

91 buick skylark 3.3 v6 has spark but no power to injectors


your injectors get their 12v from the asd relay and the computer controls their - side. the asd relay also powers the coil, so if you have spark but no juice to the injectors then you are looking for a broken wire to the injector rail. all of the injectors get their juice from that one source.

Mar 27, 2013 | Cars & Trucks

2 Answers

I have a 93 sierra,4.3 liter, put new plugs,cap,rotor and the ignition relay is good. it gets gas cause i smell it and it turns but will not start.what could be the reason it will not start? its a new


check the fuel line pressure on the injector rail ,here you will find a valve that looks like a tyre valve and take the cap off and connect a pressure gauge to this and see what you get should be around 55lbs

Mar 30, 2012 | 1993 GMC Sierra

1 Answer

Engine swings but does not start


Your testing so far seems to exonerate components #1 to #5, and #13.
Since you've already replaced a number of parts to address the problem, I thought I should try to be comprehensive:

Priority Action Part Type Cause
1 Inspect Ignition Switch - Improperly Connected or Faulty Ignition Switch.
2 Inspect Battery - Battery Discharged or Faulty.
3 Inspect Battery Cable - Coroded, Broken, Shorted or Poorly Connected Battery Cable.
4 Inspect Starter Solenoid - Starter Solenoid Faulty.
5 Inspect Starter Motor - Starter Motor Faulty.
6 Inspect Wireset - Worn or Damaged Spark Plug Wires.
7 Inspect Ignition Coil - Faulty Ignition Coil.
8 Inspect Distributor Cap - Loose, Cracked or Worn Distributor Cap.
9 Inspect Spark Plug - Incorrectly Gapped or Fouled Spark Plug(s).
10 Inspect Distributor Cap and Rotor Kit - Loose, Cracked or Worn Distributor Cap, or burned rotor contacts.
11 Inspect Fuel Tank - Fuel Tank Empty.
12 Inspect Carburetor - Worn, Faulty or Damaged Carburetor.
13 Inspect Fuel Pump - Faulty Fuel Pump.
14 Inspect Fuel Pump Strainer - Fuel Pump Strainer Clogged.
15 Inspect Fuel Filter - Fuel Filter Clogged.
16 Inspect Air Filter - Air Filter Clogged.
17 Inspect Fuel Injectors - Fuel Injectors Clogged/Inoperative
18 Inspect/Test PCM - Powertrain Control Module (Computer) defective - sending incorrect ignition/timing signals to fuel injectors
19 Inspect Fuel Rail - Fuel Rail leaking/broken causing inadequate/low fuel pressure.

Use a HEI (High Energy Ignition) tester to see if you have spark to your sprak plugs - if not, suspect Ignition Coil, Distributor Cap, or Distributor Rotor.

Nov 21, 2011 | Cars & Trucks

2 Answers

I can smell fuel really strong and the car would stop and not start back up for about an hour. I had the fuel pressure regulator replaced and had the fuel pump and fuel filter replaced. The car still...


Replacing one injector is not good as the full set must be changed for best performance. the fault seems more likely with an overflow of fuel due to poor settings or fault in the fuel delivery.
It seems the fuel pump is the suspected part, you need to have a good calibration with a check for fuel leak or faulty gaskets. When the AC is ON , the power required is more and so the throttle opens up with more fuel. The firing intensity and the INGITION SYSTEM, the spark plugs must be checked. A look as the spark plug will indicate the firing and fuel condition. Also the exhaust analysis will give a good report of the un-burnt fuel which means a correction in fuel settings.

Sep 17, 2011 | 1991 Buick Skylark

1 Answer

Turn key to start and nothing happens. All lights are on, battery good. Doesn't turn over---nothing. Switch or starter or some kind of relay??? HELP!!!


For 1999 Buick LeSabre - but you took #1 off the list, so here's the whole "failure to start" list:

Priority Action Part Type Cause
1 Inspect Battery Battery Discharged or Faulty.
2 Inspect Battery Cable Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Distributor Cap Distributor Cap Cracked or Burned.
3 Inspect Fuel Filter Clogged or Dirty Fuel Filter.
5 Inspect Ignition Coil Faulty Ignition Coil.
6 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter Starter Motor Faulty.
9 Inspect Fuel Pump Low Fuel Pressure.
10 Inspect Starter Relay Faulty Starter Starter Relay
11 Inspect Fuel Pump Relay Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Motor Faulty Starter Motor
15 Inspect Fuel Injector Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer Clogged or Dirty Fuel Pump Strainer
17 Inspect Engine Control Computer Incorrect Operating Information Being Delivered and Sent From The EEC.
18 Inspect Fuel Tank Fuel Tank Empty.
19 Inspect Carburetor Carburetor Flooded or Faulty Choke.
20 Inspect Distributor Rotor Distributor Rotor broken, burned contacts, or loose
21 Inspect Distributor Worn, Loose, or Incorrectly Installed Distributor.

Sep 12, 2011 | 1999 Buick LeSabre

1 Answer

My car wont start


1 Inspect Battery -- Battery Discharged or Faulty.
2 Inspect Battery Cable -- Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Distributor Cap -- Distributor Cap Cracked or Burned.
3 Inspect Fuel Filter -- Clogged or Dirty Fuel Filter.
5 Inspect Coil - Ignition -- Faulty Ignition Coil.
6 Inspect Wireset -- Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug -- Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter -- Starter Motor Faulty.
9 Inspect Fuel Pump -- Low Fuel Pressure.
10 Inspect Solenoid Switch -- Faulty Starter Solenoid Switch.
11 Inspect Relay - Fuel Pump ----- Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator --- Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch --- Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Drive --- Faulty Starter Drive.
15 Inspect Fuel Injector --- Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer ---- Clogged or Dirty Fuel Pump Strainerat.

Mar 17, 2011 | 1995 Buick LeSabre

1 Answer

1991 3.3l buick skylark,have spark at plugs,have fuel pressure at rail,but no fuel in cylinders,fuel regulator maybe?


Or maybe as simple as a blowen fuse for the injectors. There should be a fuse for the injectors, either under the hood or inside of car.

Jun 14, 2009 | 1993 Buick Skylark

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