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Prev Professional Automotive Repair Technical Discussions for September 15, 2007
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Open Help Requests for All Makes and Models
Help Request Answers
1993 Audi 90 S 2.8L Cooling Systems VIN: WAUCJ58C8P
Vehicle came in with and over heat and rad fan wasnt running, we jumped the switch and fan worked on both speeds. Put in a new switch and fan would still not cut in, even after we tried to blead system. Side of rad where temp switch is mounted doesn't heat up,...
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2003 Audi A6 3.0L MIL Lamp on VIN: WAULT64B03
This A6 had it's left rear o2 sensor heater apparently short and burn the the wires into the harness about 6 inches past the connector. The oxygen sensor has been replaced already by the dealer and left unplufgged so i cannot verify why it smoked the harness. ...
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1998 Cadillac DeVille 4.6L Head Bolts VIN: 1G6KD54YOW
Long story short version here. Car came to me with bad engine miss #1 cylinder. I found coolant in the #1 cylinder killing the spark causing missfire. Checked the intake found it has no coolant passages then removed the heads. Replaced Head gaskets and head bo...
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2001 Cadillac Catera 3.0L MIL Lamp on VIN: W06VR54R41
Battery went dead after repair Trunk lid and fuel door. Now the car pop the check engine light for P1526 - Minimum Trottle position not learned. I tried clearing the code but pops right up back. The car wont accellarate. Any Ideas??? Thanks to this great team.... Trouble codes: P1526 (Minimum Trottle position not learned)
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1995 Chevrolet C2500 Cheyenne 6.5L Hesitation, Surge, Cuts out, Stall VIN: 1GTTGC29F6
We replaced inj pump about 9 months ago for check engine light. Ran great until last month, started acting as if starving for fuel under a load. Replaced fuel filter, seemed ok. Back again, replaced filter, no change. Replaced lift pump at frame, dropped tank ...
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1999 Chrysler Sebring JXi 2.5L battery light on VIN: 3C3EL55HXX
after car has been driven a long distance 30 miles or so the battery light comes on checked charging system and was putting out 13.95 volts with light on when you turn car off and restart light is off figured it must have a bad diode in alternator so i install...
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2000 Chrysler Town & Country (Van) LXi 3.8L Stall VIN: 1C4GP54L5Y
Hello fellow techs. I have question about PCM replacement on this van. The vehicle needs a new PCM due to dying out sometimes (can't recognize crank sensor signal, crank sensor checked/replaced). I'd like to install used PCM ($400 savings). The van doesn't hav...
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2001 Dodge Ram 1500 Truck 5.9L No systems VIN: 1B7HF13Z21
Engine light came on. No drivability systems exist. Replaced canister lines due to cracking. Cleared code and problem disappeared for three days. Now light is back on again with the same code. This truck is a Canadian Model by the way. Anyone else experience t... Trouble codes: P0455
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1995 Ford Mustang 3.8L Excessive Emissions VIN: 1FALP4448S
hi their fellow techs! I have 1 mustang here with excessive black smoke when accelerate,no dtc retrieve from the scanner,observed 25ms fuel pulse width during acceleration and 4 ms during idle maf sensor reading at idle is .6 volts and 2-3volts during accelera...
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1998 Ford F-150 Lariat 5.4L spark plug VIN: 1FTRX18L4W
Hi Guys: I am looking for a good!!! (tried & tested) spark plug thread repair (on car) for 4.6L & 5.4L Fords - this one has already been done w/ helicoil - blew out w/ plug. Ive researched 2 kinds - Locknstitch (Ford recommended $998 , No Ford dealers in my ar...
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1998 Ford E-350 Econoline 5.4L Engine
I have a 1998 Ford E350 that will run the battery down to nothing with all the accessories on while it is running. I have replaced the alternator, because it was whining, I did not think this was the problem, but it was due. The ground cable from the battery t...
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1999 Ford Contour SE 2.5L Unknown VIN: 1FAFP66L5X
after repair of timing chain vehicle would reach operating temp after a 20 mile drive and when you come to a stop it would stall.it will not start back up until it was cool.if trying to start while temp is at 205.it will crank over like its 280 degrees like it...
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1999 Jeep Wrangler SE 2.5L rich running
I have a 99 jeep wrangler 2.5 4cyl. that keeps giving a code of p0171 bank 1 sensor 1 lean. the jeep is running very rich and my o2 sensor is dead. I have replaced the o2 sensor twice and after replacing it the jeep will run ok for about a week and then it wil...
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1992 Lexus ES300 3.0L Hesitation, Surge VIN: JT8VK13TON
hello group here we go. i have this 1992 es 300 in my shop and its giving me fits.was brought in to shop approx 2 months ago with the trans inop.we obtained a used unit and replaced it with no problems.customer then brought the vehicle to us about a week ago ...
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2002 Lexus RX300 3.0L No Start VIN: JTJGF10U72
It's common to see the idle air controller get gummed up. You can try to clean it,but it does not work for long. Take the throttle body assembly off to replace the valve. New #22270-20050,Idle Control Valve,without wasting much time car is FIX. This should sol...
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2000 Mercedes-Benz S430 4.3L Instrument Cluster VIN: WDBNG70J41
Unable to clear instrument cluster message; "Entrance Position, Don't Drive" Below the above text is shown a red steering wheel (S.W.). The following tests were done: 1. Quick Test - 1 fault (SRS) 2. Monitored the S.W. switch via the SDS and all functions...
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2003 Mercury Sable LS 3.0L MIL Lamp on VIN: 1MEFM55S53
Hello everyone, Im pulling my hair out trying to fix this one. I have a 2003 sable 3.0 DOHC that continually throws codes P0172/P0175 system too rich. The long term fuel trims are constantly around -15,-16,-17 and up at idle. The car is well taken care of and ... Trouble codes: P0172 (Bank 1 too rich), P0175 (Bank 2 too rich)
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1993 Nissan Altima GLE 2.4L Cuts out VIN: 1N4BU31F3P
Where's the crank sensor? After going up and down I cannot find the crank sensor. Dealer shows it as a regular crank sensor, just like every other one we have done. Some data lists it, the part store sent me one, dealer says in there, but I can't find it. The ...
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2000 Nissan Maxima GLE 3.0L Hesitation, Surge, Stall, Misfire, MIL Lamp on VIN: JN1CA31D2Y
This car came in with lack of power and back firing through exhaust and intake check for vaccum leaks and fuel pressure seems to be ok also checked spark plugs are double platnium, also disconnected cats no change Trouble codes: P0300, P0741, P0742, P0743
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2002 Pontiac Montana 3.4L rear brake light VIN: 1GMDXO3EX2
The drivers sidebrake light fails every 2-3 weeks for the past 2 years.Only on the drivers side.no other bulbs are affected.I was wondering if this was like the chevy trucks that needed the whole assembly replaced.I usually found that those affected more than ...
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2000 Saturn SC2 1.9L MIL Lamp on VIN: 1G82Y1271Y
will pass test air pump run no amp spikes have vacum to solondid took off air pipe have air come thru to the head can see change in upstream o2 sensor Trouble codes: 410 (sec air)
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1988 Toyota Land Cruiser 4.0L Stall
Gentlemen: I am working on the above-described vehicle to solve a stalling problem, which I have found the cause to be a torn-open intake air duct between the air flow sensor and the throttle chamber. Unfortunately, my local Toyota dealers do not have the par...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1997 Buick Park Avenue Ultra 3.8L pwr.wd.,drlcks.,mirrors, VIN: 1G4CU5214V
hey,hey,what can i say?little silly willy sure had his way;the car had had this problem before,a peek under the rocker (left-fnt)revealed a 16 gauge rrrreeeeeddddd??? wire spliced in as a substitute for the 12v constant 20 or 22 gau.orange one from GM,which go...
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2003 Cadillac DeVille DTS 4.6L MIL Lamp on VIN: 1G6KF57993
This caddy is out of warr by 5 weeks, local dealers unwilling to help my customer. I have repaired it using updated/redesigned GM kit. Customer now shopping for Lexus to dump Caddy. Thanks for all your replies, steve Trouble codes: P0410 (Secondary AIR problem).
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1989 Chevrolet Blazer Scottsdale 5.7L Excessive Emissions, Poor Idle Quality, Stall, MIL Lamp on VIN: 1GNEV18KF1
Ok Guys,I want to thank everyone who replied to my message.Well after an exhausted search to find the one key thing that tied everything together the only thing was the fact this truck only wanted to run well in either back up fuel mode or limp in mode made us... Trouble codes: 44 (fuel system lean).
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2004 Chevrolet Impala 3.4L Air door actuator VIN: 2G1WF52E84
Hi guys, I got this one fixed. I found a bad ground on to the BCM and repaired it. And I tried another new actuator on left side. Now the HVAC system functions properly. Thanks for the ideas.
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1997 Chrysler Sebring JXi 2.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3C3EL55H2V
We had this car for 2 weeks before this posting and kept it 1 week after.Thanks to all who responded.We tried a few things from the replies,but most had already been tried.The customer took the car to a different Chrysler dealer and we have not yet heard any r... Trouble codes: 43 (multiple misfire).
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1983 Ford E-150 Econoline Custom 5.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy VIN: 1FTDE14F2D
Power Valve it was! Thanks everyone who replied. Pulled the vacuum hose off and sure enough it was leaking, idled it with hose off and it was smooth. Replaced and all is running well now.
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1986 Ford F-150 XL 5.0L No Start, Cuts out, Stall VIN: 1FTDF15NRG
Hey everyone! Well, this old ford has been fixed. Thanks to Gene in Texas for suggesting that I look for a micro filter inline. Upon going to check for the micro filter the truck began making a worn bearing noise coming from the fuel lines, upon further inspec...
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1996 Ford Mustang SVT Cobra 4.6L Poor Idle Quality, Misfire VIN: 1FALP46V3T
I did intake gaskets,there was so much carbon buildup on the butterfly valves that I soaked them for 2 days.Did a carbon clean on the engine and so far no check engine light.cold performance is wayy better also.thanks to everyone that responded.I appreciate th... Trouble codes: P0305 (Cyl 5 misfire).
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1998 Ford Contour GL 2.0L Noise VIN: 1FAFP6637W
Thanks to all who responded. it wound up being that there is a spring and check ball int the cylinder head underneath a cap that had a little piece of metal in it. it was not allowing the spring to collapse to open the checkball which let oil feed the vct sole...
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2001 Ford Expedition Eddie Bauer 5.4L engine VIN: 1FMRU17L81
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2003 Hyundai Accent GL 1.6L MIL Lamp on VIN: KMHCG45CX3
Hey fellow techs I did check the OHM's and found the reading to be 985. I am currently in the process of ordering a new crank sensor. Thank you for all your help and I hope to be able to help you. Thanks again Jackson Trouble codes: P0336 (crankshaft pos. sen. performance), P0335 (crankshaft pos. sen. circuit fault).
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2001 Mitsubishi Diamante LS 3.5L compressor VIN: 6MMAP67PX1
This is a combined update closing post for this vehicle. I received some useful information regarding the problem from Richard [...] and George Catanbay. I hope I have accounted for everyone here and personally that offered help. What has hap...
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