Question about 2005 Chevrolet Cobalt

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Cranks , fuel, checked spark and timing chain, i have spark

Car wouldnt turn over this morning it cranks , checked fuel, chcked spark and timing chain, i have spark but no combustion

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The spark has to be blue and strong. If it is a weak spark, the coil , rotor, or cap could be the problem. Check the coil with a duplicate or have it checked. Also check the compression on all cylinders.

Posted on Nov 20, 2009

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Have you checked the ignition key and lock m ignition switch n natural switch to cam n crank sensors for 5 volt signal with key on also do volt drop test how are you checking timing?. Also have you thought about the belt pullys maybe one is locked up sorry I am mechanic I am just throwing out same things it could be off the top of my head right fast have you check out air intake or coolnt temp sensor hope this is help you out

Posted on Oct 21, 2015

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1 Answer

I CAN HEAR MY FUEL PUMP RUNNING BUT NOT ENOUGH FUEL TO CRANK CAR


Fuel pump has nothing to do cranking a motor

If you suspect a fuel issue- why have you not checked
fuel pressure & volume at the motor?

If the motor turns over,check for spark & injector pulse,
as well as fuel pressure & timing chain or belt

Aug 19, 2014 | Cars & Trucks

1 Answer

Camaro 3.8 changed timing chain now no spark


CHECK POWER WIRE GOING TO THE IGNITON MODULE IT SHOULD BE BELOW THE COIL PACKS THE PLUG GOES BAD O N THEESE.

Dec 24, 2013 | Chevrolet Camaro Cars & Trucks

4 Answers

Drove car 20 miles, ran out of gas, put gas in it and it crank, drove it about 7 miles ,cut off driving,try to crank it and it was turning over but wouldnt crank up. so i top the bottom of the gas tank and...


was the engine getting fuel or was their no spark ----need to establish if fuel or ignition problem ---running out of fuel may have damaged pump -deadspot -overheat ---problem with relay need to check and test the system ---

Aug 14, 2017 | Chevrolet Cars & Trucks

1 Answer

I have an 88 mercury grand marquis sterted drove all day went the next day car wouldnt start someone told me timeing chain jumped replaced that replaced starter selinoid stater spark plugs router router...


Lets start at the beginning.
Did anybody check to see if the timing chain was really in need of replacing ?
Did you replace the starter and solenoid because it would not crank ?
Is it now getting spark to the plugs, and fuel to the injectors ?
Are the injectors getting voltage and a ground signal from the computer ?
Do the cylinders have proper compression ?
Is the rotor in the distributor turning when you crank the engine ?

Jan 15, 2013 | 1988 Mercury Grand Marquis

1 Answer

I have a 2003 Chevy cavalier that will not start or even try. It cranks fine, I have verified it has spark, I replaced the plugs and crank shaft position sensor, timing chain is intact, but I didn't...


you may need to check the compression. if the plugs have fuel on them and you know the spark is good then the only thing missing for the car to run is the compression. if all the cylinders have low compression then the car has jumped time most likely.

Aug 08, 2011 | Chevrolet Cavalier Cars & Trucks

4 Answers

My 1991 grand marquis wont crank, it was running great on friday then sat morning it just spending i smell gas when im trying to crank it. i was thinking it as jump time


It may have jumped time. However, if you smell gasoline, it got flooded. Here is the lay of the land.
If it cranks, as in turning over but not starting. And you smell gasoline. The fuel is good, but there is not electrical spark going to the plugs. Bad coil. Cracked distributor cap. Moisture under the cap. Check this before you worry about the timing. You first have to test for ignition. Also don't pump the gas when starting it. See what happens. Also when the car is warm, never pump the gas. Also check the wire going from the distributor cap to the coil.
Good luck,
Hope this helps,
Best,
Mark

Dec 28, 2010 | 1991 Mercury Grand Marquis

1 Answer

1986 camaro with 2.8 v6 cranks but will not start.


Hi, it can be because of the timing chain or gear broke. This times the valves with the pistons.
If the car has spark, then it is not the timing gear or chain, as this drives the cam, which in turn drives the distributor shaft. If it doesn't have spark, the quickest way to check if it is the timing gear/chain is to pull the distributor cap and see if the rotor is turning when you crank the engine.
For a car to run it has to have compression, spark, air and fuel, in the right amounts and at the right time. If a car isn't even trying to start, one of these is usually missing. Given that you have spark, and fuel pressure at the rail, this would seem to narrow down the options.
Take care

Jul 24, 2010 | 1986 Chevrolet Camaro

3 Answers

Car wont start, I have replaced fuel Filter, Fuel Pump, altenator, Battery, fuse is good, what could it be


Check for spark, and compression...possible timing problem or electrical..

Apr 12, 2010 | 1999 Ford Taurus

2 Answers

Wont go in gear without dying down


its the fuel pressure regulator i had the sam problem on mine a few months ago

May 19, 2009 | 1993 Chevrolet C1500

1 Answer

Do the timing chain has anything to do with buick not cranking


1) Check Spark
2) Check Fuel pressure ( should be 55-60 psi)
3) Never seen a timing chain break on any buick.. Lemmie know what ya got .. Thank you

Mar 11, 2009 | 1998 Buick Skylark

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