got a 96 astro with 4.3 and 174000 miles. I have a Autotap that's lets me look at whats going on with the engine.
I notice my battery voltage was at 33 volts and while I was driving my speed was 200 + mph and then down to 0 mph when i was only doing 35 mph. So I replaced the pcm today. Went for drive and its still show high battery voltage and high speed.
high voltage and high speed
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MountainManJoe
- I have my van tatooed on my cheeks
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Re: high voltage and high speed
Do you have a twin turbo in there or something?Mongo wrote:my speed was 200 + mph
Re: high voltage and high speed
timelessbeing wrote:Do you have a twin turbo in there or something?Mongo wrote:my speed was 200 + mph
There has to be a bad connection or ground somewhere there.
'89 Astro, 4.3L, TBI. Minor intake and exhaust mods. Rebuilt 700R4 trans (by me). Corvette servo, 0.5" boost valve, police grade 1-2 accumulator spring (shifts fast and solid). B&M stacked plate trans cooler. Bilstein shocks. Belltech sway bars front and back. New head unit, speakers and subwoofer. Needs paint and a new headliner.
name's Steve
I can't remember all I've forgotten about that....
name's Steve
I can't remember all I've forgotten about that....
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Smiliesafari
- ASV Supporter
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Re: high voltage and high speed
I want some of what you are putting in the tank. Welcome to the site, Mongo. I agree. It sounds like an electrical problem.
Welcome to the site, Mongo. I agree. It sounds like an electrical problem.1996 Safari SLX Hotair balloon transport vehicle
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LiftedAWDAstro
- I have my van tatooed on my cheeks
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Re: high voltage and high speed
What does the dash say your voltage and speed are?
Current rides:
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
2013 Toyota Tundra DC 4x4
2008 Dodge Nitro 4x4
2005 Nissan Sentra 1.8S Special Edition
Mileage spreadsheet
Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy
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leadtrombone
- I finally get the smurf thing
- Posts: 172
- Joined: Sun Aug 08, 2010 2:36 am
Re: high voltage and high speed
bad cable or connection to the auto tap.....
??
??
1999 Safari SLE. Stock. Proud owner since May 2010. So far I love it..
P1050479 by leadtrombone, on Flickr
The old cars - my progression to here (most recent first)
1996 Honda Passport
1988 BMW 320i touring
1989 BMW 520
2005 Chrysler Sebring Convertible
2002 Dodge 1500 Quad Cab
1989 BMW 320i
1990 Toyota Tercel EZ
1991 Mitshubishi Mirage
1970 Mercedes Benz 250 Saloon
P1050479 by leadtrombone, on Flickr
The old cars - my progression to here (most recent first)
1996 Honda Passport
1988 BMW 320i touring
1989 BMW 520
2005 Chrysler Sebring Convertible
2002 Dodge 1500 Quad Cab
1989 BMW 320i
1990 Toyota Tercel EZ
1991 Mitshubishi Mirage
1970 Mercedes Benz 250 Saloon
Re: high voltage and high speed
I check the Autotap program and there was an update for it. And that took care of that problem
Thanks guys !!!!!
Thanks guys !!!!!