Question about GMC Envoy
Very intermittant, on cold start engine will flood so bad it instantly washes out cylinders and engine cranks over like the spark plugsare out of it. after letting sit for a few minutes it will eventually start, runs rough until all the fuel is blown out
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Posted on Jan 02, 2017
SOURCE: hard cold start 96 safari
Check fuel presure.I believe its 61 to 65 psi, with little or no drop off in ten minutes.V-6 access port for fuel presure is at left rear of engine,(remove dog house to access). Fuel pump is in fuel tank.Use AC Delco only, there is a updated wire harness conector for these.
Posted on Jan 17, 2009
I Hope You All Appreciate This FAST and EASY Inexpensive Repair That Even The Toyota Dealers Dont Seem To Know How To Fix !!! The Problem Is The Air filter temp sensor. Look On The Left Side Of the Air Filter Housing and Disconnect The Plug Thats Attached To The Spark Plug Like Plastic Sensor Mounted on The Side Of the Air Filter Housing, Now Go Start Your Truck !!! Your Truck Will Start And RUN Fine Now ! Replace The Sensor Approx $59 at Autozone... This Should Fix 90% Of Your Problems If your In the other 10% and it does not Fix it , Email Me and Ill See If I Can Help ! People Have Spent Hundreds and into The Thousand Dollar Area Trying to Resolve This Intermittant Problem At Inept Shops with Illiterate Mechanics ! If Your Happy With This Fix, BE Generouse ! I Do Accept Donations at Paypal Send to email@example.com Thank You JOE Mechaniac
Posted on May 18, 2009
First, change the fuel filter, and make sure the lines are good. Check the intake manifold bolts for tighness, check all vacuum lines. Best to have it running, wiggle them around and listen for a hiss. Lastly, change idle control sensor, if the other suggestions don't make a difference.
Posted on Jun 30, 2009
SOURCE: 1991Chevy Lumina does not start
I didnt see it in your list, so I would suggest the O2 sensor, usally found on the exhuast pipe near the engine or on the back of the engine
Posted on Sep 21, 2009
check voltages in the battery and have your alternator checked a bad battery could delay engine starts until the alternator can charge it enough to start and if the battery is still bad then it will run off your alternator drawing alot of power sucking the battery dry and feeding off your alternator
Posted on May 02, 2012
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