Question about 1994 Buick Skylark

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Relaced crank sensor now it has very low fuel pressure and won't start

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An easy first step is to check the fuel filter sill if it is stopped up. The filters are easy to replace usually and cost very little if it has not been replaced since you have owned the car its probably time for a new one anyways you can at least ry this first to rule this problem out like i said its cheap and fairly easy to replace.

Posted on Nov 11, 2010

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Posted on Jan 02, 2017

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2009 Chevy 2500 cranks but won't start


gas? diesel? if its a 6.0 gas they have problems with the crank sensor. check for fuel pressure and spark. read the computer codes. probably crank sensor or fuel pump

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4.0 S TYPE CRANKS WON'T START


The first thing i would check would be the fuel pressure, the gas being sold now a days eats away at the fuel pump and makes varnish build up in pump causing the pump to go bad.

A fuel pressure gauge is needed for this test, it connects to the fuel rail and give you a reading and i would bet there is no or very very low pressure.

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2001 blazer wont start ran fine before turning off has fuel pressure has fire check timming ok relaced coil ,ing moduel crank sensor dist cap could it be the anti theft ?


You say it has fuel pressure, if it has sequential fuel injection it needs about 70psi to start the engine.
If it cranks and has spark to the plugs, the anti-theft system is not involved.
You did not mention the rotor, I assume you have spark to the plugs not just out of the coil.
If you have not yet checked cranking fuel pressure, I would start there. The pump could be weak or the filter stopped up.

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2002 saturn sl won't start, turn over but won't start


Done cars have a kill switch if they are low on oil. Check your oil. If the oil is good, it may be the ignition switch.

Jan 01, 2018 | 2002 Saturn Sl

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Starts when the engine is cold,after 5 to 10 minutes it shut off,i crank over and over.wont work,so i need to wait for couple hours to start again,but its not very long.i dont know what to do please help?


It might be an issue with either the crank sensor that acts like a heat sink when hot and causes a change in internal resistance, causing it to not give proper feedback to the engine computer. Check to see if your tachometer needle is moving when cranking-if not change the crank sensor. If it sounds like it wants to start but won't, it is a fuel issue-either leaking injector O-rings or a fuel pump that has too low pressure as it heats up can be checked at the fuel rail with a pressure tester.

May 24, 2011 | Pontiac Trans Sport Cars & Trucks

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I have 97 blazer with 4.3.had a deadshort to 5v reference wire that controls tps, air temp sensor circuit short was located a fuel level buffer module. relaced circuit board ....this resolved the low or no...


just a thought pull a coulpe of spark plugs see if there flooded also if you can scan the veh look at tps voltage now and look for cranking rpms should be around 240 rpms

May 30, 2010 | 1989 Chevrolet S-10 Blazer

1 Answer

Won"t start sometimes.


sound like fuel pump pressure low change fuel filter.if that dont fix it . probably fuel pump. if fuel pump good . get a scanner. because a bad coolant sensor cam sensor crank sensor . coil pack module could be bad.also bad pcm.

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