Question about 1998 Chevrolet C1500

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1998 chevy 4.3 po300 new plugs& wires new spider conantiy wire to inj 4 lb bs good

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Posted on Jan 02, 2017

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SOURCE: 1998 Cavalier No Spark in cylinders 1 & 4

ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

Posted on Jan 17, 2009

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SOURCE: 1998 Chevy blazer radio wiring diagram

http://www.the12volt.com/installbay/stereodetail/435.html

Posted on Apr 03, 2009

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SOURCE: 94 chevy s10 blazer wont start gets fuel to

IS THE CONNECTER @ TOP OF INTAKE WHERE FUEL LINES GO IN FULLY SEATED SOUNDS LIKE INJECTORS ARE NOT GETTING SIGNAL TO FIRE

Posted on Mar 17, 2010

  • 1 Answer

SOURCE: Chevy S-10 p0300 and po507

if it is reving at idol I would be checking my throttle body for air leaks your computer will tell your engine to loop higher, to try and correct the readings it is getting.

Posted on Apr 19, 2010

  • 7353 Answers

SOURCE: i need a free wiring diagram for a 1998 chevy

Black/white is A,........ Green is B ......and Gray is C

Posted on Jul 24, 2010

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2002 chevy 1500hd po200 and po300 codes


Sounds like there is a short somewhere. Try looking for chewed wires

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THROTTLE POSITION SENSOR, MISFIRE, #4 MISFIRE, KNOCK SENSOR, THESE ARE YOUR TROUBLE CODES, PO120,PO300, PO304, PO325, RESPECTIVELY, REPLACE THE TPS @ THROTTLE BODY, REPLACE KNOCK SENSOR , @ ENGINE BLOCK, REPLACE YOUR SPARK PLUGS & PLUG WIRES ! AND YOU MUST ALSO REPLACE BOTH YOUR AIR & FUEL FILTERS, DISTRIBUTOR CAP & ROTOR , INSPECT, MAY NEED TO REPLACE, I WOULD ANYWAY !!!!!!!! ADD SOME GOOD FUEL INJECTOR CLEANER TO TANK, NEXT FUEL UP !

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I have a88 chevy c 1500 4.3 throttle body inj. no power n 3 rd & 4 th replaced fuel filter,plugs,wires,cap,rotor 02 sen , tps , are u the magic mechanic ? no codes r lights on no vacumm lks thanks...


the 1988 chevy 1500 had a adjustable kick down cable on the body. there should be 3 cables . 1 for the gas pedal and 1 for the kick down and the other is for cruise control

Dec 05, 2012 | Cars & Trucks

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I have a 1998 chevy milibu and I am getting codes po300 and po172


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Jul 13, 2012 | 1998 Chevrolet Malibu

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1998 chevy lumina code po300 random misfire help 3.1


Check for vacuum leak around the intake manifold.And all vacuum hoses.

Jan 25, 2012 | 1998 Chevrolet Lumina

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My jimmy wont start have 58 psi of fuel pressure good spark but the spider injection wont open to spary the fuel brand new 280 bucks for it have checked grounds two broken one fixed those still no start...


check your ecm-ign fuse.if it is ok check to see if you have power to your spider injector.if you have power, you either have a bad computer or a bad connection between the computer and the inj.do you have spark??.if you have no spark check your ign module or bad connection at the ign module.i have seen that before.

Feb 01, 2011 | 1993 GMC Jimmy

1 Answer

I have a 1998 chevy venture mini van...... Seams to be miss firing on two cylinders we replaced the crankshaft sensor... The computer is showing po300 and po 336... Any ideas thank you


This is usually caused by carbon traces in the spark plug connector. You must pull the boot off of the spark plug and look down the boot for the carbon trace.
Do not pull the boot off of the plug by the wire as this will seperate the wire from the boot.
It is very apparent on the spark plug porcilin.
Regards
Rob

Jun 22, 2010 | 1998 Chevrolet Venture Cargo

1 Answer

1994 jmc jimmy 4.3 vortex spider fule inj.


What size and type of plugs are you running in your vehicle. If you are running spit fires they make everything hotter and are known to cause this problem especially if not gapped correctly

May 16, 2009 | 1994 GMC Jimmy

1 Answer

1998 Cavalier No Spark in cylinders 1 & 4


ignition mod. grounds,pcm or timing belt could all be it but, I would have to look at timing first.

Jan 13, 2009 | 1998 Chevrolet Cavalier

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