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What normally to check you get a p04020

What normally to check for when you get a p04020

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Ron Z.

Vocational, Technical or Trade Scho

 
21,724 satisfied customers
I have a 2002 chevy prizm. I have to keep foot on gas to

i have a 2002 chevy prizm. I have to keep foot on gas to keep it running. Now when i put it in gear it bogs down and stalls. Did it last week one time then ran ok for a few days. Now it's doing it again.

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Pete

Independent Auto Technician

Vocational, Technical or Trade Scho

 
13,366 satisfied customers
I have a 2004 Silverado 2500HD that flashes the check engine

I have a 2004 Silverado 2500HD that flashes the check engine light after going uphill. There are no stored codes. It will then idle very roughly. If I turn the engine off for thirty seconds or so, it starts and runs fine until I go up another hill. Coils, fuel injectors, intake manifold gaskets, and pcm have been replaced as well as two faulty oxygen sensors have been replaced. Fuel pressure tested at 50psi with ignition on, and 58psi running. Maf sensor has been cleaned. The truck has 250K miles on it. The heads were rebuilt at 160k by the previous owner. I've heard of intermittently failing fuel pumps, but I'm not sure where to go from here.

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Juan Crespo

Sr. Technician

Bachelor's Degree

 
2,528 satisfied customers
Ok, 2009 Tahoe with PO 101, PO172/175 errors still after

Ok, 2009 Tahoe with PO 101, PO172/175 errors still after replacing plugs, wires, Mass air flow sensor, map sensor, cleaning the throttle body last few months. 2015 a dealer replaced the ecm and fuel pump module. The only thing not stock is the air intake has a K&N type for better air flow. Tired of replacing parts. Vehicle runs for about 2 or 3 weeks after parts changes and then error codes.Mike

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Pete

Independent Auto Technician

Vocational, Technical or Trade Scho

 
13,366 satisfied customers
Well, and thank you! : Well... it's a 2004 Trailblazer, and

Well, hi and thank you!JA: Sometimes things that you think will be really complicated end up being easy to fix with Chevy. The Chevy Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so he can help you best.Customer: Well... it's a 2004 Trailblazer, and recently the Cruise Control stopped working and at the same time the automatic transmission has not been shifting through ranges correctly; it revs high and sounds LOUD and when in 3rd or Drive it will not have sufficient power for maintaining speed, picking up speed, or climbing hills unless it's put in 2nd and the accelerator (gas pedal) is used VERY CAREFULLY... Also, the "Service Engine" light came on and continues to be lit...JA: How many miles on the car? Is it the original transmission?Customer: I *think* it has the original transmission; and it has 117,812 Miles on it.JA: Are you hoping to fix this yourself?Customer: If I possibly can!! I'm really in a bind...JA: Is there anything else important you think the Chevy Mechanic should know about your Chevy?Customer: Hmmmm... Give me a moment...JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.

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Pete

Independent Auto Technician

Vocational, Technical or Trade Scho

 
13,366 satisfied customers
I have a 2008 chevy Silverado 1500 LT 5.3L 150K mi . Had a

I have a 2008 chevy Silverado 1500 LT 5.3L 150K mi . Had a bank 2 CAT low efficiency fault. troubleshot to the bank 2 CAT. It was falling apart when I removed it. So I went to Napa and purchased New Bank 1 and Bank 2 Y Pipe. Installed, reset fault drove truck for a week and fault returned on but now switched to Bank 1 side. So went back to Napa purchased both O2 bank 1 sensors. Installed, reset fault drove for a week & fault returned Bank 1.Thoughts:My Truck has a sticker stating it is certified for sale in California. I live and purchased truck new in Maryland. Napa only sells Non California Compliant CATs and they do not show any notes stating it requires a certain CA Compliant CAT so is this part of my problem????

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Pete

Independent Auto Technician

Vocational, Technical or Trade Scho

 
13,366 satisfied customers
Code p0420 keeps coming up on 2013 Chevrolet duramax. Dpf

Code p0420 keeps coming up on 2013 Chevrolet duramax. Dpf gets clogged. Dealership just keeps forcing Regen and clearing codes!JA: Sometimes things that you think will be really complicated end up being easy to fix with Chevy. The Chevy Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so he can help you best.Customer: P0420 came on the a couple hundred (I was traveling) miles later reduced power message came on 200 miles away from home. Code p2463 came up. Took to dealer forced Regen. Got it back and p0420 came on again. Brought back to dealer. Said there was 20 grams of soot in filter. Forced another Regen and said everything is fixed come get it.JA: Are you hoping to fix this yourself?Customer: No its still u under warrantyJA: OK! The Chevy Mechanic will help you with the diagnostics so you are sure to get this fixed right. Is there anything else important you think the Chevy Mechanic should know about your Chevy?Customer: That's what they can't find anything and keeps charging me $300 to force Regen!JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.

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Ronald Moreci

High school

 
5,930 satisfied customers
96 Sonoma 2.2 did t pass smog no codes no poppi g on decell

96 Sonoma 2.2 did t pass smog no codes no poppi g on decell I since changed plugs and did a oil change I did hear air blowing from compressed when test is being done could my smog guy be pulling some bsJA: Many things can cause a car to make those weird sounds. Some simple, some complicated. Fortunately, the mechanic I'm going to connect you with knows all the tricks and shortcuts. Are you hoping to fix this yourself?Customer: YesJA: Great! What have you tried so far?Customer: YesJA: Is there anything else the Chevy Mechanic should be aware of about your Chevy?Customer: No it runs fine eJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.

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Pete

Independent Auto Technician

Vocational, Technical or Trade Scho

 
13,366 satisfied customers
I have a 08 colbalt 2.2 motor with the p2430 code can u

Hi I have a 08 colbalt 2.2 motor with the p2430 code can u help pleaseJA: Sometimes things that you think will be really complicated end up being easy to fix with Chevy. The Chevy Mechanic I'm going to connect you with knows all the tricks and shortcuts. Tell me a bit more about what's going on so he can help you best.Customer: Car runs fine but won't go through emissions with the p243 codeJA: Are you hoping to fix this yourself?Customer: YesJA: Great! What have you tried so far?Customer: Replaced the secondary air check valve about 4 months agoJA: Is there anything else the Chevy Mechanic should be aware of about your Chevy?Customer: Not that I know ovJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Chevy Mechanic about your situation and then connect you two.

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Tim's Auto Repair

Mechanic

High School or GED

 
17,620 satisfied customers
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