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Drove to job (72 miles) everything fine ,got back in truck that afternoon, seemed like a dead miss, stopped at Advance Auto, they tested said it was EGR valve, mechanic replaced this and it's still missing on #5 cyl., ran compression test, 3 cylinders including #5 were 71%,the rest are 75%, replaced all spark plugs, but no improvement, please help, could this be a failed power pac at that cyl. or maybe a injector, i just don't know with these newer vehicles, used to working on the 1975 and before models, also this is a 5.7 liter V8, went back to Advance Auto and it shows multiple misfires on their tester

2007-02-09 10:45:53 · 7 answers · asked by DukeofDixie 7 in Cars & Transportation Maintenance & Repairs

7 answers

It might be fuel injection problem. I just had a similar problem and I found out that the fuel filter failed let in debris into the fuel injectors. This was solid mostly rust from the fuel tank and cleaners couldn't dissolve it. Fortunately in the tip of the fuel injector there is a last chance filter. After removing the injectors I was able to clean it up using throttle cleaner and small wire.

2007-02-09 11:42:20 · answer #1 · answered by amistad51 2 · 0 0

What model & engine size?

With out knowing model, it could be a problem with wires or in the coil pack. The EGR valve has nothing to do with misfires that is for emissions. Also you need to have them check for an intake leak - if the engine is sucking air where it shouldn't that can cause a misfire.

2007-02-09 10:54:55 · answer #2 · answered by Anonymous · 0 0

Doubt it's the EGR valve, it only has to do with gas combination after the afterburn and that's what usually causes your check-engine soon... but it's BS, i've had it replaced 5 times at least on my 2001 Pontiac Grand Prix because it gave me that error code... I'm starting to think there may be something wrong with that sensor.

2007-02-09 10:51:29 · answer #3 · answered by IonutZ 1 · 0 0

the distributor cap is craked.replace it together with the rotor.

You will see the crack right there beside the cylinder #5 wire's outlet port

the vehicle today have not change from the oldies,they are the same (diferent parts name for the same parts.)

2007-02-09 14:04:38 · answer #4 · answered by Anonymous · 0 0

In india it is done through many yogis.They take power from solar rapidly hence do no longer require food. In vehicle bio graphy of a yogi through Parama hans yogananda there is aspect out of two such yogis.The yogi from Gujrat whom you aspect out grow to be shown on the television also.

2016-12-03 23:24:20 · answer #5 · answered by ? 4 · 0 0

Ain't technology grand?

I miss the days of points and condensors. At least those where easy.

Todays stuff you HAVE to take it to a shop with a computer.

2007-02-09 10:56:44 · answer #6 · answered by Mr. KnowItAll 7 · 0 0

Well, you've basically changed everything but the plug wire on the #5, so that's next.

Try that, and let us know.

2007-02-09 10:52:34 · answer #7 · answered by oklatom 7 · 0 0

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