| Topic Starter |
Message |
 4.4 tdv8 high pressure fuel pump timing |
GMC1986
 22nd Mar 2025 4:45pm
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Forum: Technical (L322) · Replies: 3 · Views: 1291 · Subject: 4.4 tdv8 high pressure fuel pump timing |
Hi have a 4.4tdv8 that’s had the hpfp replaced but is flagging up code p0087-21 fuel pressure to low.
Could this be related the timing of the pump if wasn’t correctly timed? |
| 4.4 tdv8 P087-21 Fuel Rail/system Pressure - Too Low |
GMC1986
13th Feb 2025 2:25pm
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Forum: Technical (L322) · Replies: 0 · Views: 168 · Subject: 4.4 tdv8 P087-21 Fuel Rail/system Pressure - Too Low |
| Hi I have had l322 4.4 tdv8 come to me with hpfp replaced but it keeps going into restricted performance with this code. I’m aware hpfp is changed but going by the seller it may not of been timed co ... |
| 4.4 tdv8 Some engine maintenance |
GMC1986
5th Jul 2024 10:19am
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Forum: Maintenance & Mods (L322) · Replies: 4 · Views: 760 · Subject: 4.4 tdv8 Some engine maintenance |
| Will look into the egr cooler good point they would not be simple swapping out insitu,the power steering pump looks manageable possibly bit better than the alternator anyhow,suppose most things are a ... |
| 4.4 tdv8 Some engine maintenance |
GMC1986
4th Jul 2024 10:40pm
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Forum: Maintenance & Mods (L322) · Replies: 4 · Views: 760 · Subject: 4.4 tdv8 Some engine maintenance |
Hi folks
This is a donor engine I acquired, I’m doing few bits of preventative maintenance before installing it to its new home.
• new oil pump
•(most)o rings, oil cooler, thermostat
•turb ... |
| L322 4.4tdv8 Rod through the block |
GMC1986
26th Jun 2024 10:52am
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Forum: Maintenance & Mods (L322) · Replies: 3 · Views: 882 · Subject: L322 4.4tdv8 Rod through the block |
Thanks for the reply Martin,
I will have a read through the post now, your parts would suit this one well so. I’m keen and competent enough to build all myself but don’t want to have missed somet ... |
| L322 4.4tdv8 Rod through the block |
GMC1986
25th Jun 2024 6:01pm
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Forum: Maintenance & Mods (L322) · Replies: 3 · Views: 882 · Subject: L322 4.4tdv8 Rod through the block |
https://www.fullfatrr.com/gallery/albums/userpics/28218/normal_IMG_3293.jpeg
https://www.fullfatrr.com/gallery/albums/userpics/28218/normal_IMG_3301.jpeg
https://www.fullfatrr.com/gallery/albums ... |
| L322 4.4tdv8 Rod through the block |
GMC1986
25th Jun 2024 5:59pm
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Forum: Maintenance & Mods (L322) · Replies: 3 · Views: 882 · Subject: L322 4.4tdv8 Rod through the block |
| Hi All looking guidance on sourcing short block for 4.4 tdv8, I have put in a few evenings toiling out a myriad of stuff to get this lump out. 62300 miles and one of the turbos have let go which has e ... |
| Welcome to fullfatrr.com - introduce yourself here! |
GMC1986
25th Jun 2024 5:46pm
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Forum: General · Replies: 4423 · Views: 1555908 · Subject: Welcome to fullfatrr.com - introduce yourself here! |
| Hi just finally registered,have read some valuable information before on this group, have purchased a l322 4.4tdv8 needing some attention. |
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