If the issue is newly developed then before cutting into that I would check vacuum lines and other, more exposed connections.
Engine stumbles under heavy load. Land Cruiser specialist gave up trying.
- Thread starter Darin Hollings
- Start date
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brake stand in drive to check the harness issue. Otherwise I'd swap in a newFuel pump relay. you can get them at rockauto.com.
More Information for DENSO 5670043 $43.89
More Information for DENSO 5670043 $43.89
- Thread starter
- #23
Thank you for helping me! Is there a shradder valve to connect to? Where would I connect a fuel pressure gauge?
I had a very similar issue in a GM. It ran perfectly fine, except under the heaviest load. Found a critter had chewed the insulation off both wires running to an injector. Under full throttle uphill, they arced, cutting off the injector. It ran fine for anything less than about 80% load. I cut and replaced and never had another issue (with THAT particular part of a GM).
- Thread starter
- #25
A video is worth a hundred words...
Sorry to say the truck doesn't come from from the factory with a valve to test the fuel pressure with, so you''ll have to buy one. I'll tell you one thing, installing that test valve is a pain.
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Banjo Bolt M12*1.5
Banjo Bolt M12*1.5 for Professional Fuel Pressure Tester Kit CP7838
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