The Lemon IndexThe fuel pump isn't delivering enough fuel.
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
Weak fuel pump. Then: clogged filter or strainer; wiring or voltage problem.
Owners named P2635 in 14 complaints to the U.S. government, most often on the Chevrolet Tahoe.
Cars owners report it on
Complaints that name P2635, by model. Raw counts, not a failure rate: popular models get more complaints.
Years owners report it on most: 2019 Chevrolet Tahoe
The details
What P2635 means
The fuel pump isn't delivering enough fuel. Hesitation and stalling can follow.
Can I drive with P2635?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
64% of the owner complaints that name P2635 also say the car stalls or shuts off. A complaint can describe more than one problem, so this doesn't prove the code caused it.
Common causes of P2635
- Weak fuel pump
- Clogged filter or strainer
- Wiring or voltage problem
A shop should confirm the cause with a scan and tests before replacing parts.
What owners describe
- Stalls or shuts off: 64% of complaints
- Loses power or goes into limp mode: 21% of complaints
- Shakes, runs rough or misfires: 21% of complaints
Share of complaints naming the code whose text also mentions each problem.
Model years that report P2635 most
2019 Chevrolet Tahoe (5).
Related codes
P2637 P2646 P2615 P2610 P2609 P2601 P2600 P26A3
Quick answers
What does P2635 mean?
Fuel Pump A Low Flow/Performance. The fuel pump isn't delivering enough fuel. Hesitation and stalling can follow.
Can I drive with P2635?
Fix soon. Book a shop visit this week. Stop driving if the car slips, shakes, overheats or warns you.
What causes P2635?
Weak fuel pump; Clogged filter or strainer; Wiring or voltage problem.
Counts: NHTSA owner complaints whose text names P2635. A complaint is an owner's report, not a diagnosis. Meanings: the standard SAE J2012 definitions in our own words; manufacturer codes only where verified for that make. General information, not repair advice for your car.