Changed Maf senor, crankshaft, fuses, spark plugs. fuel filter and ignition modulator and the car starts but only runs about five mins. before stalling. No engine light comes on. No bad codes show up. Can't find any bad hoses. My mechanic teacher has looked and we can't figure it out. I am a student and can't afford to fix much more and nothing I have spent money on has worked so far. When I first put the maf in the car worked great for about a week but the transmission was still skipping

10

Asked by ezpit Apr 10, 2015 at 09:47 AM about the 2002 Buick LeSabre Custom Sedan FWD

Question type: Maintenance & Repair

Changed Maf sensor, crankshaft, fuses spark plug fuel filter and ignition modulator. Checked hoses. No engine light comes on no bad codes show up.  After replacing maf the car worked great for a week but still skipped in the transmission..  NOw it starts and runs five min. before stalling.  Sounds great for the five mins.  My mechanic teacher has looked over and we are stumped.

2 Answers

10

Nothing showed up when we did the scan tool. Does it matter what brand senors you buy? Are there certain things that can go wrong that don't show up on the scan tool?

1 people found this helpful.

Recheck your fuel pressure while running before and after that 5 minute mark. I suspect your fuel pressure regulator or in-line fuel filter is the problem. If it is idling the whole time, check how clean the idle air valve is (mine was very dirty at 80K miles on my 2004 LeSabre...

Your Answer:

LeSabre

Looking for a Used LeSabre in your area?

CarGurus has 178 nationwide LeSabre listings starting at $1,895.

ZIP:

Own this car?

Share your experience with others.

2002 Buick LeSabre

Review another car

CarGurus Experts

  • #1
    John Saffrahn
    Reputation
    4,100
  • #2
    txbarney
    Reputation
    3,230
  • #3
    joes098
    Reputation
    2,720
View All

Know more, shop wisely

Search

Related Models For Sale

Used Ford Crown Victoria
4 Great Deals out of 125 listings starting at $1,495
Used Toyota Camry
2,176 Great Deals out of 42,291 listings starting at $1,350
Used Buick Regal
57 Great Deals out of 681 listings starting at $2,397
Used Mercury Grand Marquis
11 Great Deals out of 283 listings starting at $2,495
Used Honda Accord
1,534 Great Deals out of 29,377 listings starting at $1,050
Used Lincoln Town Car
11 Great Deals out of 400 listings starting at $650
Used Chevrolet Impala
226 Great Deals out of 3,786 listings starting at $983
Used Buick Century
88 listings starting at $3,650
Used Chevrolet Silverado 1500
4,112 Great Deals out of 119,806 listings starting at $1,899
Used Honda Civic
1,336 Great Deals out of 26,635 listings starting at $995
Used Lexus RX
846 Great Deals out of 12,660 listings starting at $1,900
Used Chevrolet Tahoe
1,376 Great Deals out of 31,910 listings starting at $1,550

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.