Question about 1994 Chevrolet Astro

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94 v6 backfired and lost front 2 cylinders has new module and spark at dist.

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Is your firing order correct?check wires and see if you have spark at plug,is so are front to cylinders getting fuel?

Posted on Oct 01, 2009

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I did my cylinder head and put it back but my car is not starting i think i might have made wrong cam timing because its backfiring on the throttle its a volvo s40 2l engine need help fast

Did you remove the dist. while replacing the head if so you may have dropped the dist back in 1/2 tooth off on the timing and that would cause the engine to back fire. You need to bring #1 piston to the top of the cyl. and then make sure the rotor in the dist is pointing to #1 spark plug wire on the dist. cap and then drop the dist. You may need to turn the oil pump shaft to align the dist before dropping it onto the oil pump shaft. You can do that with a screw driver.

May 18, 2017 | Volvo S40 Cars & Trucks

1 Answer

2003. Chevy cavalier 2.2 Echo Tech, What could cause no spark?

Can you spray fuel in the throttle body and get it to run. If so you need to check the fuel pump or the fuel filter. If you are sure it is just not firing then you need to check the coils, dist, rotor and module in the dist to determine which is at fault. You might also want to check the catalytic converter and make sure it is not plugged. It is in the exhaust system ahead of the muffler. Normally there is a o2 sensor in the pipe and if you can remove it and see if the car starts. Too much back pressure on the engine will not allow the fuel to enter the cylinders and fire.

Check the pickup coil in the dist. and make sure you don't have a broken wire. It is under the advance plate in the dist. and has 2 very small wire going to it and one maybe loose or broken and it will keep the module from firing. OOPs you said the module is firing so maybe the new module is not 100% you might want to try another one because the fire should be strong after the module unless the wires are bad and that is probably not the case as it is hard to believe all of them would go bad at one time.
Finally, be sure the module is grounded on the plate in the dist.

Nov 24, 2015 | Chevrolet Cavalier Cars & Trucks

1 Answer

Engine won't start. Getting no spark.

Have you check to see if the timing on the car is right?

Nov 08, 2013 | Cars & Trucks

1 Answer

1994 CHEVROLET C1500 PICKUP 4.3L V6 vortek cranks no start backfiring thru the Throttle body fuel injection system. The Distributor has a small hairline crack under the reluctor wheel could this be the...

100 psi per cylinder is way too low--should be in the vicinity of 150-165 per cylinder
back firing indicates wrong firing order and as you have replaced the plugs etc check that you have the leads on the correct plugs in the correct order
the timing for the engine should be around the 10 degree btdc and not tdc

Mar 23, 2017 | Cars & Trucks

1 Answer

96 chevy blazer turns over but wont start

It needs at least 60psi fuel pressue to start. You need to check fuel pressure with a gauge.
If the dist cap or rotor is bad, the spark will not be on the right plug at the right time. Same goes for a faulty distributor or a problem with the timing chain. And the ignition module.
Also check the ecm for trouble codes.

Jun 29, 2012 | 1996 Chevrolet Blazer

1 Answer

Need a wiring diagram for spark plugs for a 1995 jeep Cherokee sport

V6 engine: firing order: 1 2 3 4 5 6, distributor rotates clockwise. Left bank of engine (driver's side), cylinders 2, 4, 6 (#2 at front of engine). Right bank: 1, 3, 5 (#1 at front of engine).
Inline 6 engine: firing order is 1-5-3-6-2-4. Distributor rotates clockwise.
The number one tower on the dist. cap should have a mark or numeral 1 on it. If not, turn crankshaft to top dead center of compression stroke on number one cylinder, the 0 degrees or "T" mark on the crank pulley pointer. If you are on the compression stroke (not the exhaust stroke), the rotor under the dist. cap will be pointing to the number one cylinder spark plug wire tower.

Mar 30, 2012 | 1995 Jeep Cherokee

3 Answers

1993 chevy corsica backfires

I think you have a valve problem. Need to remove valve covers and look for loose or broken rocker arms. If an exhaust valve does not open because the rocker is broken the trapped combustion gasses will revert through the intake when the intake valve opens. This can interupt the intake flow to other cylinders and prevent starting.

Nov 27, 2011 | 1993 Chevrolet Corsica

1 Answer

Van backfiring when driving at low speed

For the 3.3L:
Firing Order:

(back of vehicle)
(front of vehicle)
Ignition Coil:

Let me know if this helped, or if you have additional information or questions. Feel free to contact me at!

Jul 13, 2010 | 1991 Dodge Caravan

1 Answer

1995 Ford F350 5spd. distributor cap wiring diagram/layout!!!

1) #1-4 pass side front to rear #5-8 drivers side front to rear
2) 1-3-7-2-6-5-4-8
3)#1 is usually marked on cap wires go ccw
4) TDC #1 cyl you must remove the shorting plug before timing
it is located by the dist plug or the ignition module small gray plug

Jul 17, 2008 | 1995 Ford F350

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