Why does my Chev 350 Vortec not start?
Cold air is dense and spark goes through it harder. Give big ass GM gaps spark plugs and bingo, all secondary spark is crap. Guy came back today with his truck. Busted a brake hose, but he says gas mileage got better since tune-up and injector cleaning. Gas filter was done at tune-up also.
Why does my Chev k1500 350 Vortec backfire?
When I hear backfiring, can only think about ignition problems, with rich fuel problems and good ignition, shouldn’t backfire, but will see black smoke from the exhaust. With erratic ignition, if the spark does come, can come at any time, even the wrong time, and if the intake valve is opened, it will backfire.
How to troubleshoot a no start GM 4.3L pick up?
Testing a Cranks but Does Not Start condition on your GM 4.3L, 5.0L, 5.7L pick up, van or SUV is not that hard to do, if you have a solid diagnostic strategy. In this article I’ll show you the basics of testing such a problem.
What is p / n 10456607 on a Chev k1500 350 Vortec?
If this code is stored, the Crankshaft Position Sensor, P/N 10456607, MUST be replaced and the remaining components inspected for damage (engine block at the starter boss, the starter drive housing, and the engine flywheel starter ring gear). Hi guys I am back look at that it has been a year.
When I hear backfiring, can only think about ignition problems, with rich fuel problems and good ignition, shouldn’t backfire, but will see black smoke from the exhaust. With erratic ignition, if the spark does come, can come at any time, even the wrong time, and if the intake valve is opened, it will backfire.
Cold air is dense and spark goes through it harder. Give big ass GM gaps spark plugs and bingo, all secondary spark is crap. Guy came back today with his truck. Busted a brake hose, but he says gas mileage got better since tune-up and injector cleaning. Gas filter was done at tune-up also.
Why does my Chevy 350 backfire when I let off the gas?
If it backfires when you let off the gas peddle it has air getting into the exhaust, either an exhaust gasket or cracked manifold before the catalytic converter or the emission control’s Air Injection system. The air injection check valves (STANDARD MOTOR PRODUCTS PT#AV7) are common failure parts.
How does the ignition work on a Chevy 350?
The engine’s ignition system is triggered by an electronic driver which signals the ignition coil when to fire. By design the resistance it takes to fire the coil via the spark plug is figured into the system.
What should bank 1 fuel trim be at idle?
If long-term fuel trim (LTFT) for bank 1 is 25% at idle, but corrects to 4% at 1,500 and 2,500 rpm, focus on factors that cause a lean condition at idle, such as a vacuum leak.
Why is my Chevy S10 engine stalling out?
This can be caused by the fuel pump or fuel filter. If your Chevy S10’s engine timing is off, it’s going to stall out, misfire, and altogether not run properly. Here are some of the more common causes of an engine timing problem: VVT Problem – Many modern engines are equipped with Variable Valve Timing.
What causes a car to start and stall?
Check to make sure your spark plug wires or ignition coils are seated properly on each of the spark plugs. A detached or malfunctioning spark plug wire will cause misfires and often a stall as the engine struggles to stay running on fewer cylinders.
Why does my Chevy Aveo stall when I push the gas?
Here are some of the more common causes of an engine timing problem: VVT Problem – Many modern engines are equipped with Variable Valve Timing. This allows for the engine to be in the “sweet spot” of power or economy depending on how hard you are pushing the gas pedal.
Why does my Chevy truck stumble when I start it?
Once in a while when I start my truck (usually after its been warmed up and has cooled down some, and its cold out), my truck stumbles an then then revs up. It did this last year, and also threw an P0300 code. Took it to the dealer at that point and asked for a leak down test.