my 1998 318 dodge ram 1500 will crank but idle roughly for a minute or two then die or lag real low and pick back up and then die and back fire when you give it some gas . i have put a new throtle bod

Asked by jason3024000 Nov 12, 2019 at 03:40 PM about the 1998 Dodge RAM 1500

Question type: Maintenance & Repair

i have put a new throttle body position sensor on it and a new map sensor and
a new idle air control valve on it the timing is corect   but it stills back fires and
smokes and idles real rough

1 Answer

227,585

Sounds like it has jumped timing, turn the engine to TDC on number 1 compression stroke and check the distributor rotor, it should be pointed at number 1 on the cap, if it is not then check the timing chain for excessive slop. If the rotor is dead on then you may have a plugged exhaust, you could loosen up the head pipes right at the exhaust manifolds to give you about an inch of clearance to see if it will fire up then.

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