Gas Recirculation Valve (egr Valve) Problems of Chevrolet Tahoe

Check engine light illuminated on my 2021 Chevrolet Tahoe. Upon diagnostic scan, the following emissions-related fault codes were present: p11d5 (nox sensor), p14d9 (nox sensor), p2383 (egr pressure sensor), and p2c7a (nox catalytic converter efficiency). All components are available for inspection upon request. The vehicle was taken to an authorized Chevrolet dealership for diagnosis. The dealer acknowledged the emissions codes but stated that unrelated components would need to be repaired at owner expense before the emissions system would be addressed, despite these codes falling within the federally mandated 8-year/80,000-mile emissions warranty. The fault codes were confirmed by the dealership. No safety incident has occurred to date, however degraded nox and egr function can result in increased harmful emissions output and potential engine performance issues. Warning lamps appeared without prior incident or symptom. The manufacturer has not offered to cover the emissions components under the federal emissions warranty without the owner first paying for additional repairs that may or may not be causally related to the emissions system failure. When the dealer was directly asked, "are you saying the emissions system itself is functioning correctly, and something else caused these codes to appear?" — the dealer did not provide an answer. This question was asked in order to clarify whether the emissions components themselves are degraded or failed, which would confirm warranty coverage eligibility. The dealer's failure to answer this question directly is noted as part of this complaint.

See all problems of the 2021 Chevrolet Tahoe 🔎.

When accelerating it sounds like my vehicle is stuck in brake degrading or is making that distinguishing noise. My vehicle is in the shop for the second time to fix the same issue of park assist, side detection and front camera service. When expressing my concern for this problem of the sound the dealership said let's fix the service issues first as everything is electronic. I hope my vehicle is safe to drive.

See all problems of the 2018 Chevrolet Tahoe 🔎.

Vehicle begins to idle rough, noticed Tahoe consumes coolant at an abnormal rate, approximately 1gal/month!! our local chevy dealer coded for flex fuel sensor replacement $1400! no change in condition of vehicle. Idle is now very very low! my wife picks up our kids, Tahoe would stop running while making a turn at an intersection!!! no power = no power steering!! she barely avoids an accident!! she along with the kids will not ride in the (family car) the Tahoe until it is fixed. Don't trust our local chevy dealership, due to lack of integrity!! we were proud and loyal chevy owners, we also own a 91 GMC sierra 1500 5. 7l with 232000 mi. And a 98 chevy 1500 v-6 113590 mi pick-up, both still running very strong with absolutely no issues! researched this issue, defective castech heads, gm is aware of this problem, TSB 06-06-01-019b, very disappointed to state the least of how gm is handling this situation. Complained to gm corporate, they stated they will not be able to assist and that we would have to take it to our local dealership where integrity runs very thin!! I am a proud msgt in the usaf, and full time firefighter, if we cant trust "the heartbeat of America," who the hell can we trust!! this problem has cost put our family in the hole for $3800 now and it looks like if we move forward to fix ourselves we will be in excess of $5800 for the heads to be serviced or $8600 for new motor swap!!! gm needs to take responsibility recall this and get this issue squared away and maybe salvage what is left of a loyal gm supporter.

See all problems of the 2004 Chevrolet Tahoe 🔎.

2002 Tahoe shuts down at highway speeds. Sit for fifteen minutes starts back up. Only happens in 90+ degree days. Someone is going to get hurt. I've seen numerous complaints in the complaint dbase.

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The vehicle repeatedly stalls (without warning) when the outside temperature reaches 75 degrees or higher.

See all problems of the 1999 Chevrolet Tahoe 🔎.

Egr valve failed. Yh.

See all problems of the 1998 Chevrolet Tahoe 🔎.

2003 Chevrolet Tahoe caught on fire the consumer stated the fan motor would not shut off. The consumer stated her father received 2nd degree burns on his when tried to put the fire out.

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Exhaust gas recirculation valve failed.

See all problems of the 1996 Chevrolet Tahoe 🔎.

Euo sensor failed, causing erratic steering performance.

See all problems of the 1997 Chevrolet Tahoe 🔎.