Slow acceleration, trouble on inclines

Tiny
DERRICKT2020
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Drop the head pipe? Where exactly is that?

And regarding the fuel tests, I think the performance of the fuel pump isn't good. What do you guys think? It said in the instructions that when I start the engine it should decrease 5psi and when I put it into reverse and accelerate or drive it the psi should increase 5psi but nothing happens, it stays constantly at 50psi as it did when engine was off and key on. And it said if no change than to check the regulator vacuum feed line( Which I think is the fuel line going into the right side of the fuel rail which is also the part that is wet that I showed you in the last pictures) for leaks and if all good. Than it's my fuel pressure regulator if equipped.

Excerpt from instructions provided in 2nd reply:

"Now start the engine so we can test the performance of the pump. While the engine is running, the fuel pressure should drop about 5 psi, from the static prime pressure (DPI) then snap the throttle, the fuel system pressure should jump up about 5 psi. This means the fuel pump and pressure regulator is working correctly. If the system fuel pressure does not respond inspect the regulator vacuum feed line and if okay the fuel pressure regulator has failed (if equipped)."
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Wednesday, July 29th, 2020 AT 6:12 PM
Tiny
ASEMASTER6371
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The fuel system is working fine. Your pressure is on the button.

There are no concerns for the system pressure at all. You are holding pressure and not low or bleeding off.

As far as the engine, unbolt the converter from the head and start it up. If there is a clogged exhaust it will breathe through the exhaust leak.

Roy
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Wednesday, July 29th, 2020 AT 6:17 PM
Tiny
DERRICKT2020
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Also, I can't find a exhaust back pressure tester at any local auto store to loan out or even buy unfortunately. So looking into finding a shop to do it or you guys have any ideas? If I still need to do that test.
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Wednesday, July 29th, 2020 AT 6:17 PM
Tiny
ASEMASTER6371
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I posted it in last reply.

Roy
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Wednesday, July 29th, 2020 AT 6:18 PM
Tiny
DANNY L
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Hello again.

I'm not sure if your catalytic converter is a one-piece design combined with the exhaust manifold. I've attached a picture below and circled in red where it might unbolt and separate. After removing the 3 bolts remove the heat shield. If the catalytic converter unbolts from the exhaust manifold then just unbolt from there. If not you can remove the whole manifold and converter assembly. Like we've stated earlier if the unit is blocked and plugged up once unbolted and you start the engine it will run better and stay running. Hope this helps. Let us know if you have any further questions about this and thanks again for using 2CarPros.

Danny-
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Wednesday, July 29th, 2020 AT 7:18 PM
Tiny
DERRICKT2020
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I was just about to ask you that. But no their is also a bank 2 catalytic converter that sits between the thing you circled in the picture, and the muffler. The 2nd converter is about half way down the exhaust, about where the drivers seat is. That's the one that was clogged entirely. I'm removing the 3 bolts from the catalytic converter manifold you circled right now.
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Wednesday, July 29th, 2020 AT 7:42 PM
Tiny
DANNY L
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Hello again.

Okay, Keep us updated. If you can take a picture with your cell phone and upload it here. It will be obvious though if it is removable or 1 piece with the manifold after removing the heat shield. Hope this helps.

Danny-
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Wednesday, July 29th, 2020 AT 7:48 PM
Tiny
DERRICKT2020
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So I need to get a o2 sensor removal tool because I can't get the heat shield off to get to the manifold. So going to be tomorrow morning until I can get to Auto store. But I attached a picture of exactly what mine looks like. Because I have taken it off to check if it's clogged etc and it wasn't. I've heard it's called bank 1 catalytic converter manifold and the other catalytic converter half way down the exhaust is bank 2 which was the clogged one.
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Wednesday, July 29th, 2020 AT 8:38 PM
Tiny
DANNY L
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Hello again.

Just an FYI; I've attached the same picture below. Where I've circled in red is the o2 connector to the wiring harness. Use fingers to depress tab and disconnect. You can then pull the heat shield off by pushing the harness through the hole. You don't have to remove the o2 sensor. Hope this helps.

Danny-
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Wednesday, July 29th, 2020 AT 8:50 PM
Tiny
ASEMASTER6371
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Good information. What concerns me is that some of the stuff you cleaned out from the one converter may have traveled down the system and lodged in the muffler. That will cause a restriction and low power.

By opening up the fron for it to breathe, it will eliminate that possibility.

Roy
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Thursday, July 30th, 2020 AT 3:17 AM
Tiny
DERRICKT2020
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Well, in the picture where I circled in blue around the 02, it gets caught on the red part of the 02. I circled since it a solid piece sticking out because I can't just simply lift it due to the fact the left side of the heat shield. I marked in blue has parts in the way stopping it from just lifting straight up. No worries, I'll get it done. Just thought id share their information.
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Thursday, July 30th, 2020 AT 2:24 PM
Tiny
DANNY L
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Hello again.

I'm sure you'll be able to figure it out.I have faith in you brother. Let us know if you need any further instruction. Keep us updated with your progress and test results.
Thanks again for using 2CarPros.

Danny-
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Thursday, July 30th, 2020 AT 9:21 PM
Tiny
DERRICKT2020
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Hey guys, so as I was doing the cylinder pressure test, I decided to test the coils too. They never been replaced to my knowledge. Also, can't find a back exhaust pressure tester but a buddy's cousin might so waiting to hear back. Also, I have not unbolted the exhaust manifold yet because need to get a tool to remove the 02 sensor to remove heat shield. So anyways, upon check the spark plug/ignition coils with a multi-meter. I get no reading. I'm supposed to get.7 I think. But when I go to test it, it'll show some numbers for a half a second and then it goes to zero. So I think I have bad coils. Attached a screenshot of what my coil looks like etc.
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Wednesday, August 5th, 2020 AT 5:50 PM
Tiny
DERRICKT2020
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So the spark plug marked one I took out of the far left cylinder. If notice 3 and 4 have oil and 1 is burnt dry. Also the ends of the coils the spark plug go into have a white residue. Multi-meter tests tell me the coils are bad.

Thoughts?
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Wednesday, August 5th, 2020 AT 8:05 PM
Tiny
DANNY L
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Hello again.

The white residue on the ignition coils is normal. It was hard to tell from your video how much oil was in the spark plug tubes due to the video being cut off at the bottom and didn't show. It's kind of hard to believe that all 4 coils would fail at the same time. I've attached the testing procedure and specifications below. Let me know if the coils are within the specifications and we'll go from there. Hope this helps and thanks again for using 2CarPros.

Danny-
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Wednesday, August 5th, 2020 AT 10:31 PM
Tiny
ASEMASTER6371
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Okay, the oil is from the seals for the tube from the valve cover gasket.

What check told you the coils were bad? What were your readings that make you think the coils are bad?

Roy
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Thursday, August 6th, 2020 AT 5:01 AM
Tiny
DERRICKT2020
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I haven't got around to doing the exhaust manifold disconnecting for exhaust text, nor have re-tested the coils with a multi-meter.
Going to tomorrow.

Quick random question. Am I able to take my car to a shop and have them diagnose it for me and I'll do the repairs etc? If so which shop should I go to?
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Saturday, August 8th, 2020 AT 7:12 PM
Tiny
ASEMASTER6371
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Sure you can. You will have to pay for a diagnostic from the shop.

They will charge you anywhere from $150.00 to $200.00 for a complete diagnostic.

There is no requirement for them to do the repairs at all. You can just have the diagnostic performed and do the repairs yourself.

Roy
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Sunday, August 9th, 2020 AT 4:29 AM
Tiny
DERRICKT2020
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I cam across the spark plug I originally pulled out when car started having problems and had to clear out the catalytic converter, but that didn't entirely fix the problem so I went and replaced the spark plugs. I got the car from my cousin and it's never had a tune up. But thought I'd share how bad it was when I pulled this one out of the cylinder all the way to the right.
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Monday, August 10th, 2020 AT 3:37 AM
Tiny
ASEMASTER6371
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They are really bad. Good that you replaced them.

Roy
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Monday, August 10th, 2020 AT 3:39 AM

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