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01 express 3500 random cuts out no start deiseling with very…

Customer Question
01 express 3500 random...

01 express 3500 random cuts out no start deiseling with very idle runs great no codes

Mechanic's Assistant: How many miles are on the car? What size is the engine?

5.7 330.000

Mechanic's Assistant: Are you fixing your Express yourself? What have you tried so far?

Fuel pump cps coil module dist egr

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

Started out just stalling cold wiggled cps it started have fairly new Napa spider

Submitted: 8 months ago.Category: Chevy
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Customer reply replied 8 months ago
Have fixed bad ecm ground at therm stat bolt a year ago block grounds seem to be good no spark at coil when it won't start
Customer reply replied 8 months ago
Thought was in harness by coil but might be coincidence
Customer reply replied 8 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call.
Customer reply replied 8 months ago
Let me know if you need more information, or send me the service offer(s) so we can proceed.
Answered in 26 minutes by:
9/30/2017
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago
AMEDEE
AMEDEE, CHEVY TECHNICIAN
Category: Chevy
Satisfied Customers: 28,024
Experience: ASE certified tech ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
Verified
Hello and welcome! My name is ***** ***** I can assist you with your question. Are you looking for some possible causes? Are there any codes in the computer? Would you be willing to speak on the phone?
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Customer reply replied 8 months ago
no codes
Customer reply replied 8 months ago
Can't pay for call thought I did already
Customer reply replied 8 months ago
This is intermittent and as you know can't test until it happens
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Ok no problem.

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Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

What is the fuel pressure at when this happens?

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Customer reply replied 8 months ago
Pump comes on 50 60 psi no spark
Customer reply replied 8 months ago
New pump
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Fuel pressure specs are 60 to 66 psi key on.

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Customer reply replied 8 months ago
Had truck since new have same pressure it always had its not pressure
Customer reply replied 8 months ago
Have gauge attached
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Ok, what about the ignition components?

Have you replaced the crank sensor? What about the distributor assembly or cap/rotor plugs and wires?

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Customer reply replied 8 months ago
Have read what I wrote prior
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Fuel pump cps coil module dist egr

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Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

So the distributor, cap and rotor was not replaced correct?

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Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Would you be willing to speak on the phone if I lowered the cost of the phone call down to $5 bucks for you?

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Customer reply replied 8 months ago
Cap wires are good do you know any tests I could do when this happens again
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

YES sir. I would check the fuel trims.

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Customer reply replied 8 months ago
Trims are good on my scanner all within 5%
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

What is the camshaft offset retard parameter at?

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Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Let me guess, "that's good" too right?

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Customer reply replied 8 months ago
My scanner don't show it but if its off 2 degrees will set code 1351 or1345
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

What type of scanner are you using?

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Customer reply replied 8 months ago
an obd scanner not that good of one but your saying timing off will cause this
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

It wont run very good if the timing is off.

Can you send me a picture of the scanner?

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Customer reply replied 8 months ago
Huh This runs great except when it happens
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Can you send me a picture of the scanner?

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Customer reply replied 8 months ago
Well hey let me guess will I have a hard getting my money back for this chät
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

We just got started, sir. Why would you want your money back?

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Customer reply replied 8 months ago
Cause a scanner picture
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

I am trying to help you sir. The more information you provide me with, the better answer I can give you.

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Customer reply replied 8 months ago
Can't do picks go back read what I've said I given info
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Ok, no problem.

What is the engine vacuum at when the engine is at idle?

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Customer reply replied 8 months ago
20hg acts normal with acceleration
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

Excellent!

Is this your vehicle or are you working on it for someone else?

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Customer reply replied 8 months ago
Its mine have 35 years knowledge on cars and I'm sure you know intermittent problems are why mechanics tool boxes have wheels so they can move to another garage
Customer reply replied 8 months ago
Ive wiggled tapped everywhere no ryhme no reason when cold hot 2miles20miles
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

And the truth comes out my friend. I had a feeling there was a bit more to this story than you have been telling me. So this is YOUR VEHICLE?

Your a tech in the field but are using a no-name scanner?

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Customer reply replied 8 months ago
Truth huh I'm not in the field what are implying
Customer reply replied 8 months ago
Omf its a called launch
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

So you're not a tech working in the field, but you have 35 years of experience with vehicles?

Ok, the launch will be able to read distributor sync under live data. :)

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Customer reply replied 8 months ago
Ive had enough can I get money back
Chevy Mechanic: AMEDEE, CHEVY TECHNICIAN replied 8 months ago

YES sir you may.

You can do that on your end.

Have a great day!!

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Customer reply replied 8 months ago
Thanks for trying
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