Firing order?

Tiny
BRYANTD
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  • 4 POSTS
Thanks for the help it worked
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
You're very welcome. It is an easy thing to have happen. Take care and let us know if you have questions in the future.

Good job,
Joe
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
BRYANTD
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  • 4 POSTS
Would the parking sensor cause my bmw 528i 2008 from starting?
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,192 POSTS
Welcome back:

No, that shouldn't cause a problem. Most times, it is either a fuel or ignition spark related issue. You need to check to see if you have both. If you do, then we need to look at timing.
Take a look through this link:

https://www.2carpros.com/articles/car-cranks-but-wont-start

If you want to check the two things I suggested, here are links to guide you:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

https://www.2carpros.com/articles/how-to-test-an-ignition-system

____________________________________________________________________

Here are the specific directions for testing fuel pressure. The attached pictures correlate with the directions.

CHECKING FUEL PUMP DELIVERY PRESSURE
13 31 029 - Checking fuel pump delivery pressure (N52)

pic 1

Special tools required:
- 13 5 220
- 13 5 221
- 13 5 222

pic 2

Important!
The fuel in the fuel lines is under pressure (approx. 5 bar)!

Catch and dispose of escaping fuel.

pic 3

Necessary preliminary tasks:
- Switch off ignition.
- Remove acoustic cover See: Engine > Removal and Replacement > 11 00 ... Removing and Installing/Replacing Acoustic Cover

pic 4

Remove dust cap (1).

pic 5

Connect special tool kit 13 5 220 (comprising 13 5 221 and 13 5 222) to pressure sensor of DIS Tester.

Connect pressure sensor to DIS Tester.

pic 6

Important!
Do not under any circumstances screw in the check valve up to the mechanical stop.

This could damage the valve in the pressure regulator housing.

pic 7

Mount special tool kit 13 5 220 to injection tube and tighten knurled nut hand-tight.

Screw out check valve (1) so that valve in pressure regulator housing is closed.

Start engine.

Screw in check valve (1) until a pressure reading is indicated on DIS Tester.

pic 8

Measuring fuel pressure.

- Select Measurement.
- Multimeter function appears
- Select Pressure test
- Read off value of fuel pressure.
Compare actual value of test pressure with specified value .

Switch off engine.

pic 8

Note:
Removing special tool kit 13 5 220:

- Switch off engine
- Screw out check valve fully again.
- Remove special tool kit 13 5 220 from pressure regulator housing.
- Catch and dispose of escaping fuel.

pic 8

Note:
Read out fault memory of DME control unit.

Check stored fault messages.

Now clear the fault memory.

____________________________________________

I just realized this is for a different vehicle. If you have further questions related to it, I need you to start a new thread. We are trying to keep them specific to one car and problem so it helps others. I'm sorry about that.

Regardless, in the next thread you start, make sure to indicate if you checked these things and what was found.

Take care,
Joe
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
JOEL1983
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  • 1 POST
  • 1991 CHEVROLET BLAZER
What is the correct spark wire sequence to this chevy.
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.


https://www.2carpros.com/forum/automotive_pictures/261618_Graphic_187.jpg

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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
1986 CHEVROLET BLAZER SUV
  • MEMBER
  • 4 POSTS
  • 1986 CHEVROLET BLAZER
  • 2.8L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 230,000 MILES
When I start the truck it started to back fires and shakes real bad and turns off I think my spark plugs wires are placed wrong. Or my have the firing order wrong some one place help
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
CJ MEDEVAC
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Remember # one's position on the distributor cap may vary depending on how you install the distributor

Wherever #1 winds up---that is the starting point for the sequence
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
1986 CHEVROLET BLAZER SUV
  • MEMBER
  • 4 POSTS
Thank you I hope this works and I will be sure to keep you posted
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
1986 CHEVROLET BLAZER SUV
  • MEMBER
  • 4 POSTS
Dose it matter if the spark plugs wires are placed in the wrong order?
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
Very much.

The Medic
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
1986 CHEVROLET BLAZER SUV
  • MEMBER
  • 4 POSTS
Not in wrong firing order but, just the sparke plug wires in general?
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
GENDY
  • MEMBER
  • 1 POST
  • 1980 CHEVROLET BLAZER
  • V8
  • 4WD
  • AUTOMATIC
  • 130 MILES
I need the spark plug wiring diagram for this blazer. Having trouble with misfire after instling new wires. Need to make sure wires are put back correctly.
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
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Here you go


https://www.2carpros.com/forum/automotive_pictures/12900_fo_blazer_1.jpg

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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
You mean the entire wire from beginning to end, got swapped from #6 to # 3but is still hooked up correctly in firing order?

The medic
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
After checking firing order scan for codes and check fuelpressure with a gauge autoparts rent it
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
BIGCCHEW77
  • MEMBER
  • 3 POSTS
  • CHEVROLET BLAZER
1995 chevy blazer 4.3L VIN W engines Firing order
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Friday, May 14th, 2021 AT 12:35 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS


https://www.2carpros.com/forum/automotive_pictures/12900_1995_chevy_blazer_Fir_ing_order_2.jpg


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Friday, May 14th, 2021 AT 12:35 PM (Merged)

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