Turns over but wont start
Chevrolet Blazer 2000 4.3l 179567 miles
I'v changed my timing chain and now it wont start i'v put in a new cap, rotor, distributor, spark plugs, and wires cam and crank censer , coil, and still no spark i'v checked my plugs for voltage and that's good checked the pcm and thats good any ideas because im stumped thank you
2 reports
1
BU
Had same issue try removing O2 sensors from manifold should be two if starts catalytic converter plunged, OBD codes PO300 random misfire and PO101 mass air flow sensor because of restricted exhaust
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MI
No OBD codes ,securite on dash constantly on catalytic converters are new
Vote helpful2
BU
Sounds like you have hit all the bases except fuel. Inexpensive fuel test gauge hook up and turn key to on should read at least 60 PSI. Crank engine and see it pressure goes down bad fuel pump or regulator if doesn't hold over 55 PSI
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MI
Fuel pump is new and i got pressure
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BU
Check your icm module that connects to the pick up coil under the distributor coil
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GO
Check your position of your cap it could be timing
Vote helpful4
BU
Did the truck run before you changed the timing chain if yes you may have to revisit that repair as all your issues seem to have started after that, if no than you have to start still have to re-check spark and distributor timming.
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MI
I have rechecked everything 4,5,6 times over on my dash the security light on the dash is on and stays on never goes out.
Vote helpful1
EC
Bet it had to do with your keyfob or security chip/dead battery possibly.
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