Question about 1996 Buick Regal Olympic Gold

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1996 Buick Regal Custom w/3.1 liter-No Spark

No spark out of ignition coils. Has injector pulse, fuel pressure, and compression. Has new ignition module and crank sensor. Cam sensor is OK. Checked security resistor in key at dealer-it is OK.

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Disconnect you battery. take something and fray back the plastic on the main hot wire on the coil. take another wire and wrapp it to the main wire you just frayed. now take that wire and run it to you ignition fuse. re connect you battery and see if your vehicle will start. if so than you have either a break or a short in you hot wire for your coil.

Posted on Aug 01, 2008

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2000 Jeep Grand Cherokee Laredo 4.7 liter code reads p0307 turn the car off when I turn it back on started misfiring and sputtering and wont stay started now help


code p 0307 is misfiring on no 7 cylinder ====causes --- engine mechanical fault ---wiring---ignition/ fuel system--injector --ECT/MAF sensor---ECM
look for low fuel pressure or ignition control module

May 31, 2016 | 2000 Jeep Grand Cherokee Laredo

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What are the probable causes of DTCs P0300, P0301, an P1189?


P1189 Buick - Engine Oil Pressure Switch Fault PO301
Possible causes
- Faulty spark plug 1
- Clogged or faulty fuel injector 1
- Faulty ignition coil 1
- Fuel injector 1 harness is open or shorted
- Fuel injector 1 circuit poor electrical connection
- Ignition coil 1 harness is open or shorted
- Ignition coil 1 circuit poor electrical connection
- Insufficient cylinder 1 compression
- Incorrect fuel pressure
- Intake air leak
PO300 is just telling you that you had a misfire.


Apr 18, 2015 | 2003 Buick Century

1 Answer

Where do they check for all points diagnostics on a 2004 Buick LeSabre


Check these items. - Clogged or faulty fuel injector (s)
- Intake air leak
- Fuel injectors harness is open or shorted
- Fuel Injectors circuit poor electrical connection
- Ignition coils harness is open or shorted
- Ignition coils circuit poor electrical connection
- Insufficient cylinders compression
- Incorrect fuel pressure

Feb 05, 2015 | 2004 Buick LeSabre

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Jeff,this is a 2.4 quad 4 I checked injector pulse at the connector with a nod light.all have pulse while cranking.did not check while running.


It sounds like a mechanical problem to me , 225 psi compression seams a bit high, normally 150 to 180 . Couldn't be coils , cylinders 1 and 4, and 2 and 3. are companion cylinders share same coil. ! Do you have a fuel pressure gauge ? Do a fuel injector balance test.You don't have plug wires , you have the ignition control module an coils in what GM calls a ignition cassette , sits on top of valve cover ? plugs in center of head ?Check out some of this guys videos . ask him questions , he's a automotive repair tech. plus teacher ! he has a lot of different video on misfire detection .
How to test fuel pressure injector pulse and spark with basic tools

Jan 24, 2015 | 2001 Chevrolet Cavalier

1 Answer

I changed motors in my seabring and we have went thur every thing it acts like it aint getting gas or fire what could be the problem its a 2.5 liter motor


Your engine needs basically four things in order to start:

> Volumetric efficiency (V)
> Air/fuel ratio (A)
> Compression (C)
> Ignition (I)
V + A + C + I = POWER

When there is no POWER (engine will not start), it is because one (or more) parts of the equation is missing. PRELIMINARY diagnosis is to determine which parts of the equation are present and which are missing. Then PINPOINT diagnosis is to determine WHY the missing parts are missing.

Until preliminary and pinpoint diagnosis is completed, nobody can do much more than GUESS what could be causing your problem.

With that said, you need to find out whether it is fuel or spark, or BOTH at the same time. The actual location of the problem can be narrowed down considerably by knowing this.

EXAMPLE: If there is fuel PRESSURE (verified by using a fuel pressure gauge) but there is no injector pulse or spark at the spark plugs, the cause would most likely be a cranshaft position sensor problem, because this will affect BOTH. This scenario would also completely rule out a fuel pump malfunction. However, if there is fuel pressure and injector pulse, but no spark, the problem would be more likely caused by an ignition control module, because this has nothing to do with your injectors or your fuel pump.

- proper diagnosis required.

Jun 02, 2012 | 1996 Chrysler Sebring

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My 96 regal custom,service engine soon light is flashing.it showed that number 2 cylinder was misfiring,so i replaced the plugs,wirers and that coil.but to no avail.


Before I went too much further throwing parts at it, I'd have fuel pressure tested. Not uncommon for low fuel pressure to starve a cylinder or 2 and have a misfire code come up. Should only take mechanic about 5-10 minutes to verify low or o.k. , then you can eliminate that possibility.

Nov 06, 2010 | 2003 Buick Regal

2 Answers

Have a misfire on cylinder 3


Hello
Here is what to check let me know if you need help checking this out
most common misfire causes on the cars I've worked on have been:
  1. Spark plugs
  2. Spark plug wires
  3. Ignition coil
  4. Fuel injector
  5. Wiring to fuel injector
  6. Timing Belt
  7. Vacuum leak or stuck open EGR
  8. Contaminated fuel or bad fuel pump
  9. Weak compression
  10. Blown head gasket

Jul 14, 2010 | 1998 Dodge Durango

1 Answer

No start


if it runs on starting fluid its a fuel problem.. check fuel pressure even if its a couple of pounds off, the vehicle will not run. but using starting fluid may give you the extra poundage you need to make it run . also check vacuum hose at pressure regulator on fuel rail

Aug 02, 2008 | 1991 Buick Regal

1 Answer

No start,91 regal 3.8 w motor


sounds like an ignition module

Aug 02, 2008 | 1991 Buick Regal

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