New 3VZE Long block advance timing issues?
12-19-2010, 05:18 PM
#1
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New 3VZE Long block advance timing issues?
The truck has a manual transmission with a new 3vze long block thats just been installed. The timing is all lined up perfect and it idles good and revs up without a load on it fine. But when actually driving down the road it is slow to accelerate and will barely get to 45mph pretty much has no power. Any ideas?
The truck has new spark plugs, wires, rotor, cap, knock sensor and wire, and ignition control module.
The truck has new spark plugs, wires, rotor, cap, knock sensor and wire, and ignition control module.
Last edited by BigGreenZ_71; 12-23-2010 at 01:41 PM.
12-19-2010, 10:21 PM
#2
It could be alot of different things. Is it a fatory new engine , who built it and what was done? If every thing else is good to go check ignition timing and then fuel pressure( checked under load) while you are driving and having problems. Hows your cat? Do you have a service manual? I just saw you metioned "Advanced timing issuses" what do you mean by that.
Last edited by sam333; 12-19-2010 at 10:27 PM.
12-23-2010, 01:40 PM
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It's an engine built by OER. It's now had a tps sensor, distributor, cut the cat off, and a computer without fixing the problem. It will idle fine and while sitting parked it will rev up fine. Then when you try to drive it down the road it just doesn't have any power. It won't even get past 45mph.
On a side note, the reason I replaced the old motor is because it had a burnt valve. But it would run to 65 no problem with the burnt valve. Then gradually the truck got slower and when I finally took it to the shop to have the motor pulled, it wouldnt go above 40. Just like the one now.
Any ideas?
On a side note, the reason I replaced the old motor is because it had a burnt valve. But it would run to 65 no problem with the burnt valve. Then gradually the truck got slower and when I finally took it to the shop to have the motor pulled, it wouldnt go above 40. Just like the one now.
Any ideas?
12-23-2010, 02:19 PM
#5
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advence your timing to 15 degrees and make sure your egr isnt stuck open a little and is hooked up right and not getting vacuum when it shouldnt be, it sounds like you need to advance your timing fiddle with it and see takes like 3 minutes
12-23-2010, 02:48 PM
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We've played with the timing and it doesnt make any difference. The truck runs good parked and you can rev it up while parked and it does fine. It's only under load. I don't think the egr valve is sticking.
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12-23-2010, 07:05 PM
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You did one, now try the EGR. you can just block it off for now to test it, but its good to keep that working on the good ole veezee
12-24-2010, 01:05 AM
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12-24-2010, 04:59 AM
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My truck did the same thing when I replaced my engine, turns out the timing (even though it was lining up) was 180 degrees off.
Last edited by littleredtoy; 12-24-2010 at 05:05 AM.
12-25-2010, 06:51 AM
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Nobody mentioned injectors but 99% sure thats what it is. It really throws it off that it idles so good. I didn't think about having them cleaned before putting it back together. Will report back when I know for sure!
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